Re: [nant-dev] SUBMISSION: Path Task

2003-12-15 Thread Ian MacLean
Sounds good to me. Thanks !

Ian
Damir Simunic wrote:
You'd probably want to call it  then.

Damir 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ian
MacLean
Sent: Monday, December 15, 2003 4:06 AM
To: Jaroslaw Kowalski
Cc: Nant-Developers (E-Mail); William E Caputo
Subject: Re: [nant-dev] SUBMISSION: Path Task
or have scan for all nant objects - it might need renaming in
that case.  Maybe  or somthing like that.


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RE: [nant-dev] SUBMISSION: Path Task

2003-12-15 Thread Damir Simunic
You'd probably want to call it  then.

Damir 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ian
MacLean
Sent: Monday, December 15, 2003 4:06 AM
To: Jaroslaw Kowalski
Cc: Nant-Developers (E-Mail); William E Caputo
Subject: Re: [nant-dev] SUBMISSION: Path Task


or have scan for all nant objects - it might need renaming in
that case.  Maybe  or somthing like that.



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Re: [nant-dev] SUBMISSION: Path Task

2003-12-15 Thread Stefan Bodewig
On Mon, 15 Dec 2003, Ian MacLean <[EMAIL PROTECTED]> wrote:

> Path combine just does its best to create a resonable path string
> from the inouts you pass it.

Ah, I see.



sets foo to ${basedir}/bar in Ant.  This would probably be the closest
thing then.

> I don't believe the available task currently does any searching
> either

Quite possible.  In Ant it does ;-)

Stefan


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Re: [nant-dev] SUBMISSION: Path Task

2003-12-15 Thread Ian MacLean
Not quite. Path combine just does its best to create a resonable path 
string from the inouts you pass it. It doesn't actually verify that the 
path exists or do any searching on the PATH.

Having said that - a  task or function would be a great addition 
to nant.

I don't believe the available task currently does any searching either - 
it just does an exists test on the file path that you give it.

Ian

Stefan Bodewig wrote:

On Sun, 14 Dec 2003, Gert Driesen <[EMAIL PROTECTED]> wrote:

 

If we decide to add William's task, I think we should :
   

[...]
 

- split it up into at least 3 tasks, like Ant has : dirname,
basename, and path-combine (or something, doesn't exist in Ant)
   

Well, it would probably be called  or something close (like
Unix's which utility that says where on your PATH a given command
exists).
Ant already has  in CVS HEAD and ISTR there also is/was
a , but I don't remember where.
Basically, the  task in Ant would do the same as  -
i.e. look the file up in a given  - but set the property to the
file's location.
Stefan

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Re: [nant-dev] SUBMISSION: Path Task

2003-12-15 Thread Stefan Bodewig
On Sun, 14 Dec 2003, Gert Driesen <[EMAIL PROTECTED]> wrote:

> If we decide to add William's task, I think we should :
[...]
> - split it up into at least 3 tasks, like Ant has : dirname,
> basename, and path-combine (or something, doesn't exist in Ant)

Well, it would probably be called  or something close (like
Unix's which utility that says where on your PATH a given command
exists).

Ant already has  in CVS HEAD and ISTR there also is/was
a , but I don't remember where.

Basically, the  task in Ant would do the same as  -
i.e. look the file up in a given  - but set the property to the
file's location.

Stefan


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Re: [nant-dev] SUBMISSION: Path Task

2003-12-15 Thread Gert Driesen

- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
<[EMAIL PROTECTED]>
Sent: Monday, December 15, 2003 4:10 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task


> Yeah,
> And now we have an excellent definition of what should be a task and
> what should be a function - that we can add to the docs.

Definitely, both this and the naming rules for properties/tasks/types should
be added to the docs ...

> One of us needs
> to play devils advocate - quite often its been me :).

It was a pleasure helping you out this time ;)

Gert



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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Ian MacLean
Yeah,
And now we have an excellent definition of what should be a task and 
what should be a function - that we can add to the docs. One of us needs 
to play devils advocate - quite often its been me :).

Ian

Jaroslaw Kowalski wrote:

PS.  Sorry if I sometimes sound negative about expression support ... I
really like and appreciate what you've done so far, but I just want to be
sure we're doing the right thing and not let you guys get carried away in
your enthousiasm too fast :-)  But I agree that its really exciting stuff,
and I hope to find time soon enough to dive in as well ...
   

Actually your comments are very helpful. Keep them coming ;-) You convinced
me and Ian that we should support properties with dashes and functions with
the syntax: prefix::function-name-with-dashes().
Jarek



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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Ian MacLean
Hmm - thats got me thinking. Currently we auto load 3 types of nant 
objects - Tasks, types and now functions. However there is only the one 
corresponding task - 
I'm wondering if we should either :
add two extra tasks  and 

or have scan for all nant objects - it might need renaming in 
that case.  Maybe  or somthing like that. I think I'd prefer 
to scan for all in the one task.

in actual fact if you pass a directory to  now it calls 
TypeFactory.scandir which will scan for all 3. However passing it an 
assembly path means it only calls TypeFactory.AddTasks.

Ian

Exactly. That's what Ian has implemented. Perhaps you'll be able to load
functions on demand with something like  task. I'm also
thinking about supporting functions written in a 

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread William E Caputo
Jarek:
>See attached code for actual code used to implement path::* functions.

That looks great, thanks!

Best,
Bill

William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis





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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski
Hi William!

> Will functions be like tasks in that they can be written separately,
> dropped in and just be available (e.g. by placing MyProjectFunctions.dll
> in the nant bin)?

Exactly. That's what Ian has implemented. Perhaps you'll be able to load
functions on demand with something like  task. I'm also
thinking about supporting functions written in a 

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski
> Also, depending on whether functional support is a) soon to be
> incorporated, and b) modular and extensible, I would be willing to rewrite
> the path task's functionality as functions (if they aren't already done).

a) Yes, it's going to be incorporated in nant soon
b) Yes, it's modular and extensible. Adding functions is ultra-easy (you
just add one attribute).

Check http://jaak.sav.net/nant-ee/nant-ee-test4.zip for a prebuilt nant
binary that supports various functions, including path::*. Preliminary
documentation is also included.

You may want to check out "EE-patches" branch in CVS to get the source code.
Functions are in "NAnt.Core.ExpressionEval.Functions" namespace.

Jarek



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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread William E Caputo
Ian:
>Personally I think this case is fairly clear cut. Any 
>task that has a property attribute and whose purpose is to set that 
>attribute will be more simply expressed using a function:

FWIW, I agree with this. I wrote the path task simply to make it 
unnecessary to have to use a script task over and over for a relatively 
common activity. However, I too think functions are a better way to 
accomplish this (I simply didn't realize that support for them was this 
far along).

>That leads me to another point. "Functional" tasks like this tend to have 

>multiple "functions" combined in the one task to reduce the number 
>of tasks that need to be written.

Yup, and that makes it hard to test them thoroughly because of the 
combinatorial explosion of parameter interactions. Having each operation 
as a single function that does a single thing makes the nant code (and 
thus the build script) more easily testable, and thus more robust 
(assuming each is actually tested). Which brings me to a related question:

Will functions be like tasks in that they can be written separately, 
dropped in and just be available (e.g. by placing MyProjectFunctions.dll 
in the nant bin)?

Best,
Bill

William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis





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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread William E Caputo
Gert:
>I'm definitely not saying that we should provide a task alternative for
>every function we support in the expression eval, but by not providing 
task
>support for "basic" build "tasks", we're actually forcing build authors 
to
>use expression support ...

I look at the separation between tasks and functions like the difference 
between a procedure and a function in a procedural programming language: 
nant tasks are procedures that do something but don't return a value, 
while nant functions are functions that don't do anything except return a 
value based on their input. 

With this distinction, we can see that sysinfo still makes sense as a 
task. It doesn't return a value (its more like a procedure that 
initializes a bunch of class variables. The path task in contrast, does 
nothing except "return" a single value into a property, and so makes more 
sense as a set of functions.

You can see the difference in these hypothetical method definitions:

void mkdir(string path) { /*unconditionally create a directory at the 
given location*/
void sysinfo() { /*unconditionally set a clearly defined set of class 
properties*/ }
string path(string partial, bool fullpath, bool pathonly) /*do ugly 
branching and return a string*/ }
bool available(string resource, TypeEnum type) /*do ugly branching and 
return a string*/ }

So, rather than forcing people one way or the other, I think functions 
make it easier for nant users to see when each is appropriate to use (and 
for submitters to write): Use functions to get single values, use tasks 
for everything else.

>If we decide to add William's task, I think we should :
>(suggestions snipped)
>What do you think ?

I lean toward not incorporating my submission. I think functions are a 
better approach for its functionality, and we don't lose anything for it 
(indeed as Ian pointed out, it will actually be cleaner as a set of 
functions). 

Also, depending on whether functional support is a) soon to be 
incorporated, and b) modular and extensible, I would be willing to rewrite 
the path task's functionality as functions (if they aren't already done).

Best,
Bill

William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis





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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski
>
> PS.  Sorry if I sometimes sound negative about expression support ... I
> really like and appreciate what you've done so far, but I just want to be
> sure we're doing the right thing and not let you guys get carried away in
> your enthousiasm too fast :-)  But I agree that its really exciting stuff,
> and I hope to find time soon enough to dive in as well ...

Actually your comments are very helpful. Keep them coming ;-) You convinced
me and Ian that we should support properties with dashes and functions with
the syntax: prefix::function-name-with-dashes().

Jarek



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Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Gert Driesen
Guess we should have something similar to the Ant uptodate task
(http://ant.apache.org/manual-1.6beta/CoreTasks/uptodate.html) ...

would indeed be great if we could get rid of  as well ... I always
found the  and  tasks horrible constructs ...

Gert

PS.  Sorry if I sometimes sound negative about expression support ... I
really like and appreciate what you've done so far, but I just want to be
sure we're doing the right thing and not let you guys get carried away in
your enthousiasm too fast :-)  But I agree that its really exciting stuff,
and I hope to find time soon enough to dive in as well ...

- Original Message - 
From: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
To: "Ian MacLean" <[EMAIL PROTECTED]>
Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
<[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
<[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 3:08 PM
Subject: Re: [nant-dev] SUBMISSION: Path Task


> Ok. Should we do something with uptodatefile before the merge? If we do
so,
> we can deprecate  as well.
>
> Jarek
>
> - Original Message - 
> From: "Ian MacLean" <[EMAIL PROTECTED]>
> To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
> Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
> <[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
> <[EMAIL PROTECTED]>
> Sent: Sunday, December 14, 2003 2:14 PM
> Subject: Re: [nant-dev] SUBMISSION: Path Task
>
>
> > Sounds good to me.
> >
> > Ian
> > Jaroslaw Kowalski wrote:
> >
> > >Should I add Deprecated attribute to "propertyexists", "propertytrue"
and
> > >"taskexists" in EE-patches?
> > >
> > >Jarek
> > >- Original Message - 
> > >From: "Ian MacLean" <[EMAIL PROTECTED]>
> > >To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
> > >Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
> > ><[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
> > ><[EMAIL PROTECTED]>
> > >Sent: Sunday, December 14, 2003 12:57 PM
> > >Subject: Re: [nant-dev] SUBMISSION: Path Task
> > >
> > >
> > >
> > >
> > >>+1 on the if task refactoring.  I'm not sure about removing 
> > >>though. I realize that a getenv() function would provide equivalent
> > >>functionality, however I like the fact that I just need to do
> > >>
> > >>and then I have access to the environment block without having to call
> > >>any more functions. Maybe I have just a fondness for the current way
of
> > >>doing it. :)
> > >>
> > >>Ian
> > >>
> > >>
> > >>Jaroslaw Kowalski wrote:
> > >>
> > >>
> > >>
> > >>>>Tasks should offer functionality on a much higher level than
functions
> > >>>>
> > >>>>
> > >...
> > >
> > >
> > >>>>
> > >>>>
> > >>>Here's my dream about NAnt:
> > >>>
> > >>>1. Tasks should actually DO something. That "something" is: compile,
> > >>>
> > >>>
> > >create,
> > >
> > >
> > >>>delete, XSL transform, update from cvs, send email, run unit tests,
> > >>>
> > >>>
> > >install,
> > >
> > >
> > >>>uninstall, start/stop services, start/kill processes,
> > >>>
> > >>>
> > >compress/decompress.
> > >
> > >
> > >>>There'are actually some tasks that do nothing like that, but they
> direct
> > >>>
> > >>>
> > >the
> > >
> > >
> > >>>build process:
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski
Ok. Should we do something with uptodatefile before the merge? If we do so,
we can deprecate  as well.

Jarek

- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
<[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
<[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 2:14 PM
Subject: Re: [nant-dev] SUBMISSION: Path Task


> Sounds good to me.
>
> Ian
> Jaroslaw Kowalski wrote:
>
> >Should I add Deprecated attribute to "propertyexists", "propertytrue" and
> >"taskexists" in EE-patches?
> >
> >Jarek
> >- Original Message - 
> >From: "Ian MacLean" <[EMAIL PROTECTED]>
> >To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
> >Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
> ><[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
> ><[EMAIL PROTECTED]>
> >Sent: Sunday, December 14, 2003 12:57 PM
> >Subject: Re: [nant-dev] SUBMISSION: Path Task
> >
> >
> >
> >
> >>+1 on the if task refactoring.  I'm not sure about removing 
> >>though. I realize that a getenv() function would provide equivalent
> >>functionality, however I like the fact that I just need to do
> >>
> >>and then I have access to the environment block without having to call
> >>any more functions. Maybe I have just a fondness for the current way of
> >>doing it. :)
> >>
> >>Ian
> >>
> >>
> >>Jaroslaw Kowalski wrote:
> >>
> >>
> >>
> >>>>Tasks should offer functionality on a much higher level than functions
> >>>>
> >>>>
> >...
> >
> >
> >>>>
> >>>>
> >>>Here's my dream about NAnt:
> >>>
> >>>1. Tasks should actually DO something. That "something" is: compile,
> >>>
> >>>
> >create,
> >
> >
> >>>delete, XSL transform, update from cvs, send email, run unit tests,
> >>>
> >>>
> >install,
> >
> >
> >>>uninstall, start/stop services, start/kill processes,
> >>>
> >>>
> >compress/decompress.
> >
> >
> >>>There'are actually some tasks that do nothing like that, but they
direct
> >>>
> >>>
> >the
> >
> >
> >>>build process:
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Ian MacLean
Sounds good to me.

Ian
Jaroslaw Kowalski wrote:
Should I add Deprecated attribute to "propertyexists", "propertytrue" and
"taskexists" in EE-patches?
Jarek
- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
<[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
<[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 12:57 PM
Subject: Re: [nant-dev] SUBMISSION: Path Task

 

+1 on the if task refactoring.  I'm not sure about removing 
though. I realize that a getenv() function would provide equivalent
functionality, however I like the fact that I just need to do

and then I have access to the environment block without having to call
any more functions. Maybe I have just a fondness for the current way of
doing it. :)
Ian

Jaroslaw Kowalski wrote:

   

Tasks should offer functionality on a much higher level than functions
   

...
 

   

Here's my dream about NAnt:

1. Tasks should actually DO something. That "something" is: compile,
 

create,
 

delete, XSL transform, update from cvs, send email, run unit tests,
 

install,
 

uninstall, start/stop services, start/kill processes,
 

compress/decompress.
 

There'are actually some tasks that do nothing like that, but they direct
 

the
 

build process:











Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski
Should I add Deprecated attribute to "propertyexists", "propertytrue" and
"taskexists" in EE-patches?

Jarek
- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
Cc: "Gert Driesen" <[EMAIL PROTECTED]>; "William E Caputo"
<[EMAIL PROTECTED]>; "Nant-Developers (E-Mail)"
<[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 12:57 PM
Subject: Re: [nant-dev] SUBMISSION: Path Task


> +1 on the if task refactoring.  I'm not sure about removing 
> though. I realize that a getenv() function would provide equivalent
> functionality, however I like the fact that I just need to do
> 
> and then I have access to the environment block without having to call
> any more functions. Maybe I have just a fondness for the current way of
> doing it. :)
>
> Ian
>
>
> Jaroslaw Kowalski wrote:
>
> >>Tasks should offer functionality on a much higher level than functions
...
> >>
> >>
> >
> >Here's my dream about NAnt:
> >
> >1. Tasks should actually DO something. That "something" is: compile,
create,
> >delete, XSL transform, update from cvs, send email, run unit tests,
install,
> >uninstall, start/stop services, start/kill processes,
compress/decompress.
> >
> >There'are actually some tasks that do nothing like that, but they direct
the
> >build process:
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Ian MacLean
+1 on the if task refactoring.  I'm not sure about removing  
though. I realize that a getenv() function would provide equivalent 
functionality, however I like the fact that I just need to do

and then I have access to the environment block without having to call 
any more functions. Maybe I have just a fondness for the current way of 
doing it. :)

Ian

Jaroslaw Kowalski wrote:

Tasks should offer functionality on a much higher level than functions ...
   

Here's my dream about NAnt:

1. Tasks should actually DO something. That "something" is: compile, create,
delete, XSL transform, update from cvs, send email, run unit tests, install,
uninstall, start/stop services, start/kill processes, compress/decompress.
There'are actually some tasks that do nothing like that, but they direct the
build process:










Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski
> Tasks should offer functionality on a much higher level than functions ...

Here's my dream about NAnt:

1. Tasks should actually DO something. That "something" is: compile, create,
delete, XSL transform, update from cvs, send email, run unit tests, install,
uninstall, start/stop services, start/kill processes, compress/decompress.

There'are actually some tasks that do nothing like that, but they direct the
build process:











Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Ian MacLean
I think that fear is unfounded Gert. Tasks and elements are great for 
declarative constructs like filesets but no so good for functional 
things like looking up a value and are actually quite cumbersome for 
those sorts of things.

xslt has had functions from the start and I'm never tempted to try to 
implement a match template as a function - its probably possible but it 
would be a major PITA.

Ian

Gert Driesen wrote:

Jarek,

I know this can all be implemented using functions, but my concern is that
build files might start looking like regular source code instead of xml
files, that's all ...
Function support is something NAnt urgently needed, and I will definitely
use it myself, but I just want to make sure we don't (ab)use it for just
about everything, and don't offer users any alternatives ...
Tasks should offer functionality on a much higher level than functions ...

Gert

- Original Message - 
From: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
To: "Gert Driesen" <[EMAIL PROTECTED]>; "Ian MacLean"
<[EMAIL PROTECTED]>; "William E Caputo" <[EMAIL PROTECTED]>
Cc: "Nant-Developers (E-Mail)" <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 11:48 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task

 

We already have tasks:





that are basically readonly (they only change properties) and are just
   

used
 

to retrieve/calculate some information. We have four ways of doing so, why
add fifth one? I think this should be done as a function ONLY:


It's both readable and can be used in all places, like CSC task:


...

or:


...

Try it:

http://jaak.sav.net/nant-ee/nant-ee-test4.zip

Jarek

- Original Message - 
From: "Gert Driesen" <[EMAIL PROTECTED]>
To: "Ian MacLean" <[EMAIL PROTECTED]>; "William E Caputo"
<[EMAIL PROTECTED]>
Cc: "Nant-Developers (E-Mail)" <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 11:21 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task

   



Guess this will be the start of many dilemma's ... I'm pretty sure there
will always be people that prefer xml build elements only, and actually
that's also one of my concerns ... I'd hate to see build files reduced
 

to
 

large chunks of scripts ...

As long as we allow build authors to choose themselves I certainly have
 

no
 

problem with the expression eval support, I actually like it very much,
 

but
   

we should give build authors a choice in this matter ...

I'm definitely not saying that we should provide a task alternative for
every function we support in the expression eval, but by not providing
 

task
   

support for "basic" build "tasks", we're actually forcing build authors
 

to
 

use expression support ...



If we decide to add William's task, I think we should :
   - add it to NAntContrib first
   - split it up into at least 3 tasks, like Ant has : dirname,
 

basename,
 

and path-combine (or something, doesn't exist in Ant)

What do you think ?

Gert

- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "William E Caputo" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 5:38 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task

 

This looks good William. However I'm thinking that the new function
support will be easier to use to do this kind of stuff.
the following path related functions will be included:

path.changeextension
path.combine
path.getdirectoryname
path.getextension
path.getfilename
path.getfilenamewithoutextension
path.getfullpath
path.getpathroot
path.gettempfilename
path.gettemppath
path.hasextension
path.ispathrooted
Ian

William E Caputo wrote:

   

(This is a resend. I didn't see it come across the list the first
 

time
 

I
   

sent it. My apologies if it comes through twice)

Hi All,

Attached is a zip file containing a task called path. This task
 

extracts
   

path information from a given partial (or complete) path name and
optionally expands it to a fully-qualified path, using either the
 

current
   

working directory or the Project's base directory as the root, and
 

places
   

in a designated property.

I looked through the list of tasks and didn't see anything that did
something like this (and we needed it) so after implementing it in a
script task, I decided to code it up as a full-fledged task and
 

submit
 

it
   

in the hope that it will be useful to others.

I wrote it is as being in the Nant.Core namespace because that is
 

where
 

copy and mkdir are (and we seem to always be manipulating paths in
 

our
 

build files) but if the project's admins prefer that it be a
 

somewhere
 

else in NAnt or submitted to NAntCont

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Ian MacLean
Ahh ok, rant away. Personally I think this case is fairly clear cut. Any 
task that has a property attribute and whose purpose is to set that 
attribute will be more simply expressed using a function:
so


vs



or



That leads me to another point. "Functional" tasks like this tend to have multiple "functions" combined in the one task to reduce the number of tasks that need to be written.
- hence your suggestion to split the path task it into 3 . The available task is the same - it really has 4 "functions" |File| |Directory|, |Framework| or |FrameworkSDK|. As a result these types of tasks have 
a tendancy to become unweildy as more attributes are added to encompass more functionality. Functions have the added advantage of composability ie

file.exists( path.getfullpath("foo\bar\file.txt") ). To do the same without functions would require the use of 2 tasks and the use of an intermediate property.

the regex task, availabletask and registry reading tasks fall into a 
similar category.  For those tasks we can keep them around in parallell 
with the new functions and then we can take a user poll further down the 
road and see what peoples preferences are. I don't have  a problem with 
keeping certain things as tasks as well as there corresponding 
functions- as long as the implementation is shared with the function 
version.

I don't think that anyone is suggesting the wholesale replacement of 
tasks with functions and in most cases you couldn't and shouldn't 
replace a task with an equivalent function.

Of course there will be cases where its not clear whether a given piece 
of functionality should be a task or a function. I don't believe that 
this is one of them - feel free to disagree with me.

Ian

Gert Driesen wrote:



Guess this will be the start of many dilemma's ... I'm pretty sure there
will always be people that prefer xml build elements only, and actually
that's also one of my concerns ... I'd hate to see build files reduced to
large chunks of scripts ...
As long as we allow build authors to choose themselves I certainly have no
problem with the expression eval support, I actually like it very much, but
we should give build authors a choice in this matter ...
I'm definitely not saying that we should provide a task alternative for
every function we support in the expression eval, but by not providing task
support for "basic" build "tasks", we're actually forcing build authors to
use expression support ...


If we decide to add William's task, I think we should :
   - add it to NAntContrib first
   - split it up into at least 3 tasks, like Ant has : dirname, basename,
and path-combine (or something, doesn't exist in Ant)
What do you think ?

Gert

- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "William E Caputo" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 5:38 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task

 

This looks good William. However I'm thinking that the new function
support will be easier to use to do this kind of stuff.
the following path related functions will be included:

path.changeextension
path.combine
path.getdirectoryname
path.getextension
path.getfilename
path.getfilenamewithoutextension
path.getfullpath
path.getpathroot
path.gettempfilename
path.gettemppath
path.hasextension
path.ispathrooted
Ian

William E Caputo wrote:

   

(This is a resend. I didn't see it come across the list the first time I
sent it. My apologies if it comes through twice)
Hi All,

Attached is a zip file containing a task called path. This task extracts
path information from a given partial (or complete) path name and
optionally expands it to a fully-qualified path, using either the current
working directory or the Project's base directory as the root, and places
in a designated property.
I looked through the list of tasks and didn't see anything that did
something like this (and we needed it) so after implementing it in a
script task, I decided to code it up as a full-fledged task and submit it
in the hope that it will be useful to others.
I wrote it is as being in the Nant.Core namespace because that is where
copy and mkdir are (and we seem to always be manipulating paths in our
build files) but if the project's admins prefer that it be a somewhere
else in NAnt or submitted to NAntContrib instead that is fine by me (I
didn't cross post, but I will send it to that list if you like).
The task is accompanied by 12 tests, and is fully documented.

Best,
Bill
William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis
Hi All,

Attached is a zip file containing a task called path. This task extracts
path information from a given partial (or complete) path name and
optionally expands it to a fully-qualified path,

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Gert Driesen
Jarek,

I know this can all be implemented using functions, but my concern is that
build files might start looking like regular source code instead of xml
files, that's all ...

Function support is something NAnt urgently needed, and I will definitely
use it myself, but I just want to make sure we don't (ab)use it for just
about everything, and don't offer users any alternatives ...

Tasks should offer functionality on a much higher level than functions ...

Gert

- Original Message - 
From: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
To: "Gert Driesen" <[EMAIL PROTECTED]>; "Ian MacLean"
<[EMAIL PROTECTED]>; "William E Caputo" <[EMAIL PROTECTED]>
Cc: "Nant-Developers (E-Mail)" <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 11:48 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task


>
> We already have tasks:
>
> 
> 
> 
> 
>
> that are basically readonly (they only change properties) and are just
used
> to retrieve/calculate some information. We have four ways of doing so, why
> add fifth one? I think this should be done as a function ONLY:
>
> 
>  value="${path::get-file-name-without-extension(somepath)}" />
>
> It's both readable and can be used in all places, like CSC task:
>
> 
> ...
> 
>
> or:
>
> 
> ...
> 
>
> Try it:
>
> http://jaak.sav.net/nant-ee/nant-ee-test4.zip
>
> Jarek
>
> - Original Message - 
> From: "Gert Driesen" <[EMAIL PROTECTED]>
> To: "Ian MacLean" <[EMAIL PROTECTED]>; "William E Caputo"
> <[EMAIL PROTECTED]>
> Cc: "Nant-Developers (E-Mail)" <[EMAIL PROTECTED]>
> Sent: Sunday, December 14, 2003 11:21 AM
> Subject: Re: [nant-dev] SUBMISSION: Path Task
>
>
> > 
> >
> > Guess this will be the start of many dilemma's ... I'm pretty sure there
> > will always be people that prefer xml build elements only, and actually
> > that's also one of my concerns ... I'd hate to see build files reduced
to
> > large chunks of scripts ...
> >
> > As long as we allow build authors to choose themselves I certainly have
no
> > problem with the expression eval support, I actually like it very much,
> but
> > we should give build authors a choice in this matter ...
> >
> > I'm definitely not saying that we should provide a task alternative for
> > every function we support in the expression eval, but by not providing
> task
> > support for "basic" build "tasks", we're actually forcing build authors
to
> > use expression support ...
> >
> > 
> >
> > If we decide to add William's task, I think we should :
> > - add it to NAntContrib first
> > - split it up into at least 3 tasks, like Ant has : dirname,
basename,
> > and path-combine (or something, doesn't exist in Ant)
> >
> > What do you think ?
> >
> > Gert
> >
> > - Original Message - 
> > From: "Ian MacLean" <[EMAIL PROTECTED]>
> > To: "William E Caputo" <[EMAIL PROTECTED]>
> > Cc: <[EMAIL PROTECTED]>
> > Sent: Sunday, December 14, 2003 5:38 AM
> > Subject: Re: [nant-dev] SUBMISSION: Path Task
> >
> >
> > > This looks good William. However I'm thinking that the new function
> > > support will be easier to use to do this kind of stuff.
> > >
> > > the following path related functions will be included:
> > >
> > > path.changeextension
> > > path.combine
> > > path.getdirectoryname
> > > path.getextension
> > > path.getfilename
> > > path.getfilenamewithoutextension
> > > path.getfullpath
> > > path.getpathroot
> > > path.gettempfilename
> > > path.gettemppath
> > > path.hasextension
> > > path.ispathrooted
> > >
> > > Ian
> > >
> > > William E Caputo wrote:
> > >
> > > >(This is a resend. I didn't see it come across the list the first
time
> I
> > > >sent it. My apologies if it comes through twice)
> > > >
> > > >Hi All,
> > > >
> > > >Attached is a zip file containing a task called path. This task
> extracts
> > > >path information from a given partial (or complete) path name and
> > > >optionally expands it to a fully-qualified path, using either the
> current
> > > >working directory or the Project's base directory as the root, and
> places
> > > >in a designated property.
&g

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Jaroslaw Kowalski

We already have tasks:






that are basically readonly (they only change properties) and are just used
to retrieve/calculate some information. We have four ways of doing so, why
add fifth one? I think this should be done as a function ONLY:




It's both readable and can be used in all places, like CSC task:


...


or:


...


Try it:

http://jaak.sav.net/nant-ee/nant-ee-test4.zip

Jarek

- Original Message - 
From: "Gert Driesen" <[EMAIL PROTECTED]>
To: "Ian MacLean" <[EMAIL PROTECTED]>; "William E Caputo"
<[EMAIL PROTECTED]>
Cc: "Nant-Developers (E-Mail)" <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 11:21 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task


> 
>
> Guess this will be the start of many dilemma's ... I'm pretty sure there
> will always be people that prefer xml build elements only, and actually
> that's also one of my concerns ... I'd hate to see build files reduced to
> large chunks of scripts ...
>
> As long as we allow build authors to choose themselves I certainly have no
> problem with the expression eval support, I actually like it very much,
but
> we should give build authors a choice in this matter ...
>
> I'm definitely not saying that we should provide a task alternative for
> every function we support in the expression eval, but by not providing
task
> support for "basic" build "tasks", we're actually forcing build authors to
> use expression support ...
>
> 
>
> If we decide to add William's task, I think we should :
> - add it to NAntContrib first
> - split it up into at least 3 tasks, like Ant has : dirname, basename,
> and path-combine (or something, doesn't exist in Ant)
>
> What do you think ?
>
> Gert
>
> - Original Message - 
> From: "Ian MacLean" <[EMAIL PROTECTED]>
> To: "William E Caputo" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Sunday, December 14, 2003 5:38 AM
> Subject: Re: [nant-dev] SUBMISSION: Path Task
>
>
> > This looks good William. However I'm thinking that the new function
> > support will be easier to use to do this kind of stuff.
> >
> > the following path related functions will be included:
> >
> > path.changeextension
> > path.combine
> > path.getdirectoryname
> > path.getextension
> > path.getfilename
> > path.getfilenamewithoutextension
> > path.getfullpath
> > path.getpathroot
> > path.gettempfilename
> > path.gettemppath
> > path.hasextension
> > path.ispathrooted
> >
> > Ian
> >
> > William E Caputo wrote:
> >
> > >(This is a resend. I didn't see it come across the list the first time
I
> > >sent it. My apologies if it comes through twice)
> > >
> > >Hi All,
> > >
> > >Attached is a zip file containing a task called path. This task
extracts
> > >path information from a given partial (or complete) path name and
> > >optionally expands it to a fully-qualified path, using either the
current
> > >working directory or the Project's base directory as the root, and
places
> > >in a designated property.
> > >
> > >I looked through the list of tasks and didn't see anything that did
> > >something like this (and we needed it) so after implementing it in a
> > >script task, I decided to code it up as a full-fledged task and submit
it
> > >in the hope that it will be useful to others.
> > >
> > >I wrote it is as being in the Nant.Core namespace because that is where
> > >copy and mkdir are (and we seem to always be manipulating paths in our
> > >build files) but if the project's admins prefer that it be a somewhere
> > >else in NAnt or submitted to NAntContrib instead that is fine by me (I
> > >didn't cross post, but I will send it to that list if you like).
> > >
> > >The task is accompanied by 12 tests, and is fully documented.
> > >
> > >Best,
> > >Bill
> > >
> > >William E. Caputo
> > >ThoughtWorks, Inc.
> > >http://www.williamcaputo.com
> > >
> > >idia ktesis, koine chresis
> > >
> > >Hi All,
> > >
> > >Attached is a zip file containing a task called path. This task
extracts
> > >path information from a given partial (or complete) path name and
> > >optionally expands it to a fully-qualified path, using either the
current
> > >working directory or the Project's base directory as the root, and
places
> > >in a design

Re: [nant-dev] SUBMISSION: Path Task

2003-12-14 Thread Gert Driesen


Guess this will be the start of many dilemma's ... I'm pretty sure there
will always be people that prefer xml build elements only, and actually
that's also one of my concerns ... I'd hate to see build files reduced to
large chunks of scripts ...

As long as we allow build authors to choose themselves I certainly have no
problem with the expression eval support, I actually like it very much, but
we should give build authors a choice in this matter ...

I'm definitely not saying that we should provide a task alternative for
every function we support in the expression eval, but by not providing task
support for "basic" build "tasks", we're actually forcing build authors to
use expression support ...



If we decide to add William's task, I think we should :
- add it to NAntContrib first
- split it up into at least 3 tasks, like Ant has : dirname, basename,
and path-combine (or something, doesn't exist in Ant)

What do you think ?

Gert

- Original Message - 
From: "Ian MacLean" <[EMAIL PROTECTED]>
To: "William E Caputo" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Sunday, December 14, 2003 5:38 AM
Subject: Re: [nant-dev] SUBMISSION: Path Task


> This looks good William. However I'm thinking that the new function
> support will be easier to use to do this kind of stuff.
>
> the following path related functions will be included:
>
> path.changeextension
> path.combine
> path.getdirectoryname
> path.getextension
> path.getfilename
> path.getfilenamewithoutextension
> path.getfullpath
> path.getpathroot
> path.gettempfilename
> path.gettemppath
> path.hasextension
> path.ispathrooted
>
> Ian
>
> William E Caputo wrote:
>
> >(This is a resend. I didn't see it come across the list the first time I
> >sent it. My apologies if it comes through twice)
> >
> >Hi All,
> >
> >Attached is a zip file containing a task called path. This task extracts
> >path information from a given partial (or complete) path name and
> >optionally expands it to a fully-qualified path, using either the current
> >working directory or the Project's base directory as the root, and places
> >in a designated property.
> >
> >I looked through the list of tasks and didn't see anything that did
> >something like this (and we needed it) so after implementing it in a
> >script task, I decided to code it up as a full-fledged task and submit it
> >in the hope that it will be useful to others.
> >
> >I wrote it is as being in the Nant.Core namespace because that is where
> >copy and mkdir are (and we seem to always be manipulating paths in our
> >build files) but if the project's admins prefer that it be a somewhere
> >else in NAnt or submitted to NAntContrib instead that is fine by me (I
> >didn't cross post, but I will send it to that list if you like).
> >
> >The task is accompanied by 12 tests, and is fully documented.
> >
> >Best,
> >Bill
> >
> >William E. Caputo
> >ThoughtWorks, Inc.
> >http://www.williamcaputo.com
> >
> >idia ktesis, koine chresis
> >
> >Hi All,
> >
> >Attached is a zip file containing a task called path. This task extracts
> >path information from a given partial (or complete) path name and
> >optionally expands it to a fully-qualified path, using either the current
> >working directory or the Project's base directory as the root, and places
> >in a designated property.
> >
> >I looked through the list of tasks and didn't see anything that did
> >something like this (and we needed it) so after implementing it in a
> >script task, I decided to code it up as a full-fledged task and submit it
> >in the hope that it will be useful to others.
> >
> >I wrote it is as being in the Nant.Core namespace because that is where
> >copy and mkdir are (and we seem to always be manipulating paths in our
> >build files) but if the project's admins prefer that it be a somewhere
> >else in NAnt or submitted to NAntContrib instead that is fine by me (I
> >didn't cross post, but I will send it to that list if you like).
> >
> >The task is accompanied by 12 tests, and is fully documented.
> >
> >Best,
> >Bill
> >
> >William E. Caputo
> >ThoughtWorks, Inc.
> >http://www.williamcaputo.com
> >
> >idia ktesis, koine chresis
> >
> >
> >
> >
>
>
> -- 
> Ian MacLean, Developer,
> ActiveState, a division of Sophos
> http://www.ActiveState.com
>
>
>
> 

Re: [nant-dev] SUBMISSION: Path Task

2003-12-13 Thread William E Caputo
Ian MacLean:
>This looks good William. However I'm thinking that the new function 
>support will be easier to use to do this kind of stuff.

Sounds good -- and I agree it will be easier to use that way. Looking 
forward to seeing that in the next version! :-)

Best,
Bill

William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis







Ian MacLean <[EMAIL PROTECTED]>
12/13/2003 10:38 PM

 
To: William E Caputo <[EMAIL PROTECTED]>
cc: [EMAIL PROTECTED]
        Subject:Re: [nant-dev] SUBMISSION: Path Task


This looks good William. However I'm thinking that the new function 
support will be easier to use to do this kind of stuff.

the following path related functions will be included:

path.changeextension 
path.combine 
path.getdirectoryname 
path.getextension 
path.getfilename 
path.getfilenamewithoutextension 
path.getfullpath 
path.getpathroot 
path.gettempfilename 
path.gettemppath 
path.hasextension 
path.ispathrooted

Ian

William E Caputo wrote:

>(This is a resend. I didn't see it come across the list the first time I 
>sent it. My apologies if it comes through twice)
>
>Hi All,
>
>Attached is a zip file containing a task called path. This task extracts 
>path information from a given partial (or complete) path name and 
>optionally expands it to a fully-qualified path, using either the current 

>working directory or the Project's base directory as the root, and places 

>in a designated property.
>
>I looked through the list of tasks and didn't see anything that did 
>something like this (and we needed it) so after implementing it in a 
>script task, I decided to code it up as a full-fledged task and submit it 

>in the hope that it will be useful to others.
>
>I wrote it is as being in the Nant.Core namespace because that is where 
>copy and mkdir are (and we seem to always be manipulating paths in our 
>build files) but if the project's admins prefer that it be a somewhere 
>else in NAnt or submitted to NAntContrib instead that is fine by me (I 
>didn't cross post, but I will send it to that list if you like).
>
>The task is accompanied by 12 tests, and is fully documented.
>
>Best,
>Bill
>
>William E. Caputo
>ThoughtWorks, Inc.
>http://www.williamcaputo.com
>
>idia ktesis, koine chresis
>
>Hi All,
>
>Attached is a zip file containing a task called path. This task extracts 
>path information from a given partial (or complete) path name and 
>optionally expands it to a fully-qualified path, using either the current 

>working directory or the Project's base directory as the root, and places 

>in a designated property.
>
>I looked through the list of tasks and didn't see anything that did 
>something like this (and we needed it) so after implementing it in a 
>script task, I decided to code it up as a full-fledged task and submit it 

>in the hope that it will be useful to others.
>
>I wrote it is as being in the Nant.Core namespace because that is where 
>copy and mkdir are (and we seem to always be manipulating paths in our 
>build files) but if the project's admins prefer that it be a somewhere 
>else in NAnt or submitted to NAntContrib instead that is fine by me (I 
>didn't cross post, but I will send it to that list if you like).
>
>The task is accompanied by 12 tests, and is fully documented.
>
>Best,
>Bill
>
>William E. Caputo
>ThoughtWorks, Inc.
>http://www.williamcaputo.com
>
>idia ktesis, koine chresis
>
>
> 
>


-- 
Ian MacLean, Developer, 
ActiveState, a division of Sophos
http://www.ActiveState.com






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Re: [nant-dev] SUBMISSION: Path Task

2003-12-13 Thread Ian MacLean
This looks good William. However I'm thinking that the new function 
support will be easier to use to do this kind of stuff.

the following path related functions will be included:

path.changeextension  
path.combine
path.getdirectoryname
path.getextension
path.getfilename
path.getfilenamewithoutextension
path.getfullpath
path.getpathroot
path.gettempfilename
path.gettemppath
path.hasextension
path.ispathrooted

Ian

William E Caputo wrote:

(This is a resend. I didn't see it come across the list the first time I 
sent it. My apologies if it comes through twice)

Hi All,

Attached is a zip file containing a task called path. This task extracts 
path information from a given partial (or complete) path name and 
optionally expands it to a fully-qualified path, using either the current 
working directory or the Project's base directory as the root, and places 
in a designated property.

I looked through the list of tasks and didn't see anything that did 
something like this (and we needed it) so after implementing it in a 
script task, I decided to code it up as a full-fledged task and submit it 
in the hope that it will be useful to others.

I wrote it is as being in the Nant.Core namespace because that is where 
copy and mkdir are (and we seem to always be manipulating paths in our 
build files) but if the project's admins prefer that it be a somewhere 
else in NAnt or submitted to NAntContrib instead that is fine by me (I 
didn't cross post, but I will send it to that list if you like).

The task is accompanied by 12 tests, and is fully documented.

Best,
Bill
William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis
Hi All,

Attached is a zip file containing a task called path. This task extracts 
path information from a given partial (or complete) path name and 
optionally expands it to a fully-qualified path, using either the current 
working directory or the Project's base directory as the root, and places 
in a designated property.

I looked through the list of tasks and didn't see anything that did 
something like this (and we needed it) so after implementing it in a 
script task, I decided to code it up as a full-fledged task and submit it 
in the hope that it will be useful to others.

I wrote it is as being in the Nant.Core namespace because that is where 
copy and mkdir are (and we seem to always be manipulating paths in our 
build files) but if the project's admins prefer that it be a somewhere 
else in NAnt or submitted to NAntContrib instead that is fine by me (I 
didn't cross post, but I will send it to that list if you like).

The task is accompanied by 12 tests, and is fully documented.

Best,
Bill
William E. Caputo
ThoughtWorks, Inc.
http://www.williamcaputo.com

idia ktesis, koine chresis
 



--
Ian MacLean, Developer, 
ActiveState, a division of Sophos
http://www.ActiveState.com



---
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Does SourceForge.net help you be more productive?  Does it
help you create better code?  SHARE THE LOVE, and help us help
YOU!  Click Here: http://sourceforge.net/donate/
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