Re-2: Removing CRLF from text

2008-08-22 Thread Mark Stuart
Hi all,

 

I've tried all replies to this issue and the one that works is from
Martin Baxter, using:

put URL (binfile:  tFilename) into tData

put tData into fld Original  --this results in displaying a box
character at the end of each line

 

--now look for the set of string characters that I want to remove

put +  CRLF into tmatchstring   --the order that the string
you're looking for is important

replace tmatchstring with space in tData

replace   with empty in tData   --the replace character is the
last char of each line from the Original field. I copied this
character into the script

--place the result into a field for display

put tData into fld Changed

 

From my Changed field (the result of the script), I copied the text
from it, saved it with Notepad and viewed the file with a Hex Editor.

 

The characters at the end of each line are:

(Hex=0d0d0a) which is 13 13 10

 

RunRev translation:

cr cr lf

 

Remember, this is all from using...

put URL (binfile:  tFilename) into tData

 

From the saved file above, I used it as the ini file for the software
application, and the application works with it - no problem.

 

The net result is, this works using: put URL (binfile:. when
trying to do what I need to do ...

... bring broken INI entries into one line, per ini entry.

 

Thanx all for your interesting responses. 

 

It shows how awesome, diverse and I might say in a nice way, indulgent,
each RunRev developer is.

 

Regards,

Mark Stuart

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Re: Re-2: Removing CRLF from text

2008-08-15 Thread Kay C Lan
Sorry for the late response been preoccupied; haven't the Olympics been
hypnotic! Did you see the Venus Williams vs Li Na tennis -
unbelievable!!!

On Sun, Aug 10, 2008 at 11:01 AM, Mark Stuart [EMAIL PROTECTED] wrote:


 And this is because of cross platform compatibility?

 Would I be correct in my deductions?


Yes.


 I would like to find this in the products documentation somewhere. Anyone
 know where I might find this?

 In the Dictionary, type in 'open file',  in the first paragraph of the
Comments. Of course it would be nice if these same comments appeared under
the 'URL' entry and every other entry where it applies:-)


 And Kay, on you volunteering me - no problem, but I find myself unqualified
 to do so. :-)


 Gee, had a problem, found the solution, two solutions to be precise;
consider yourself qualified:-)
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Re-2: Removing CRLF from text

2008-08-09 Thread Mark Stuart
Kay C Lan wrote:



  Mark, although you seem to have got a solution with binfile, does it work

  with 'file' but just replacing +  LF ?

 

  Also agree that everything learnt from this thread should make it to the

  newsletter. I volunteer Mark Stuart ;-)



 

Kay, you are correct in your question. :-)

Here's the script using just file:

 



on mouseUp

  --clear display fields on card

  --these fields are for displaying the results.

  put empty into fld Before

  put empty into fld After

  

  --fetch the file

  put c:\temp\some.ini into tFilename

  put URL (file:  tFilename) into tData

  put tData into fld Before

  

  replace +  LF with empty in tData

  put tData into fld After

end mouseUp



 

After reading all the threads on this topic, I deduce the following:

 

When reading the file into a memory variable, RunRev applies manipulation to
the EOL chars in the tData variable.

It replaces CR and LF with just LF.

 

So when using   - put URL (file:  tFilename) into tData - I would use the
+  LF, in this case.

And this is because of cross platform compatibility?

 

Would I be correct in my deductions?

 

I would like to find this in the products documentation somewhere. Anyone
know where I might find this?

 

And Kay, on you volunteering me - no problem, but I find myself unqualified
to do so. :-)

 

Regards,

Mark Stuart

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Re: Re-2: Removing CRLF from text

2008-08-08 Thread Martin Baxter
Kay C Lan wrote:
 On Thu, Aug 7, 2008 at 11:34 PM, Ken Ray [EMAIL PROTECTED] wrote:
 
 Actually IIRC, it's done this way to standardize *internal* interpretation
 on all the platforms (much like Rev standardizes on forward slash for path
 delimiters). That way, regardless of whether the host OS uses LF only, CR
 only or CRLF, when text data is read in from the outside it is all
 converted
 internally to use the LF character (ASCII 10). If you want to read in the
 actual end-of-line (EOL) delimiters, you can read the file in *as binary*:

 
 Might then that explain why Mark Stuart could only get the 'binfile' version
 of a solution to work.
 
 Sarah and Jacque told him to replace  +  CRLF with , but if what you
 say is correct, then Rev has already removed CRLFs, no such combo should
 exist?
 

That's correct.

 Mark, although you seem to have got a solution with binfile, does it work
 with 'file' but just replacing +  LF ?
 

That is an alternative approach that should also work.

Martin Baxter

-- 
I am Not a Number, I am a free NaN
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Re-2: Removing CRLF from text

2008-08-07 Thread [EMAIL PROTECTED]
crlf and cr are not the same!

from the docu:
Use the CRLF constant as an easier-to-read substitute for numToChar(13)  
numToChar(10).
cr is  numToChar(13) only.
Runrev engages in text fields for optimization according to the used OS = you 
do in most cases not see the differences when using text fields. When using 
variables and binfiles the difference of crlf and cr can be important. In 
runrev you often have relicts of LineFeed LF (10) when using ftp from a win pc 
to a unix os. In this cases you have to replace crlf with cr (=remove 
numToCHar(10).
Regards, Franz



Original Messageprocessed by David InfoCenter 
Subject: Re: Removing CRLF from text (07-Aug-2008 13:30)
From:Randy Hengst [EMAIL PROTECTED]
To:  [EMAIL PROTECTED]


Hi Mark,

I played with your question by pasting your text example into a field, demo, 
and by grabbing a text file using the URL pattern you shared.

I thought that CR and LF are basically the same thing. So, when I used:
replace +CR with  in field demo

it seemed to work. I used RevStudio 2.9 on MacOSX4.11.

take care,
randy
---

On Aug 6, 2008, at 7:17 PM, mfstuart wrote:


Hi,

RunRev: 2.90
OS: WinXP

I have a situation where a software application's ini file has the plus (+)
char and CRLF at the end of a line, when the line passes 80 characters. The
balance of the ini entry is placed on the next line. Each ini entry could be
very long and possibly go to 3 lines.
Why they did this I don't know, really.

But what I need to do is remove the + and CRLF so that each ini entry is
complete in itself, on one line.

ini file currently contains:
dfgsdfg sdfgsd fgsdfgsdf gsdfg +
sdfgadfs dgdghs dfdfgg fghf+
dfgh dfgh

Result I'd like after running the script:
dfgsdfg sdfgsd fgsdfgsdf gsdfg sdfgadfs dgdghs dfdfgg fghf dfgh dfgh

I've used this script, and variations of it, to remove these characters: +
CRLF.
It removes the + char, but still leaves each ini entry split into multiple
lines.

I've also searched the archives for a solution, nothing is working.

Any ideas?


My script:

on mouseUp
--clear current fields on card
--these fields are so that I can see the results from the script.
put empty into fld Orig
put empty into fld Changed

--fetch the file
put C:/temp/some.ini into tFilename
put URL (file:  tFilename) into tData
put tData into fld Orig

repeat for each line L in tData
--grab the line
put L into tLine

--If the line contains +, then it will also contain CR and LF,
--so only work on a line with +.
if (tLine contains +) then
--find + and delete it
put offSet(+,tLine) into tPos
delete char tPos to tPos in tLine

--find CR and delete it
put offSet(CR,tLine) into tPos
delete char tPos to tPos in tLine

--find LF and delete it
put offSet(LF,tLine) into tPos
delete char tPos to tPos in tLine

--put the line into a container so that I can see the results
put tLine  cr after theLines
else -- just put the line into a container
put tLine  cr after theLines
end if
end repeat

put theLines into fld Changed
end mouseUp


Regards,
Mark Stuart
-- 
View this message in context: 
http://www.nabble.com/Removing-CRLF-from-text-tp18862004p18862004.html
Sent from the Revolution - User mailing list archive at Nabble.com.

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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Dave Cragg


On 7 Aug 2008, at 12:52, [EMAIL PROTECTED] wrote:


crlf and cr are not the same!

from the docu:
Use the CRLF constant as an easier-to-read substitute for  
numToChar(13)  numToChar(10).

cr is  numToChar(13) only.


Be careful. In Rev, cr is numToChar(10) and is a synonym for return  
and lf.


Cheers
Dave
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
 Be careful. In Rev, cr is numToChar(10) and is a synonym for return and lf.


Are you sure about that?  10 is LF, and I've never experienced a problem
with getting the two mixed up.  Perhaps the application that's generating
your EOL's is putting in a LF instead of a CR?
-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
and did a little diving.
And God said, This is good.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Klaus Major

Hi mikey,

Be careful. In Rev, cr is numToChar(10) and is a synonym for return  
and lf.


Are you sure about that?  10 is LF, and I've never experienced a  
problem
with getting the two mixed up.  Perhaps the application that's  
generating

your EOL's is putting in a LF instead of a CR?


Attentione, signore!
You are talking to Mr. LibUrl himself! :-D

From the docs about return (= CR):
...
Summary:
Equivalent to the line feed character (ASCII 10, Control-J).
...


Regards

Klaus Major
[EMAIL PROTECTED]
http://www.major-k.de


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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
hmm.  weird.  Thanks for the info.

-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
and did a little diving.
And God said, This is good.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Dave Cragg


On 7 Aug 2008, at 14:32, Mikey wrote:

Be careful. In Rev, cr is numToChar(10) and is a synonym for return  
and lf.




Are you sure about that?


Fairly. :-)

Try this in the message box

put charToNum(cr)

Cheers
Dave
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
Weird again.  I have learned more things today that I wished I did not.  I
wonder why it's implemented this way.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mark Schonewille

Hi Mikey,

On Unix systems, the line delimiter is ASCII 10. On HyperCard, ASCII  
13 was used. On HyperCard is was called a return and a way had to be  
invented to make conversion of HyperCard stacks, as well as HyperCard  
users, to Revolution as easy as possible. Treating both linefeeds and  
returns as linefeeds as equals really made this easier.


The question remains, what would have happened if Revolution had used  
ASCII 13? Probably, this would have complicated using Rev stacks as  
shell and CGI scripts in Unix systems.


--

Economy-x-Talk
Consultancy and Software Engineering
http://economy-x-talk.com
http://www.salery.biz

Get your store on-line within minutes with Salery Web Store software.  
Download at http://www.salery.biz


Op 7-aug-2008, om 16:34 heeft Mikey het volgende geschreven:

Weird again.  I have learned more things today that I wished I did  
not.  I

wonder why it's implemented this way.



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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
Mark,
Maybe I have several funky Unix boxes, then, but all the applications on
these buggers still go CRLF, which is really annoying, but that's the
way it is.  I could have sworn that several of the 'net protocols also still
go CRLF, but it's been several years since the last server I wrote.  If
memory serves me right both SMTP and POP3 EOL via that combo.

-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
and did a little diving.
And God said, This is good.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Ken Ray
 Weird again.  I have learned more things today that I wished I did not.  I
 wonder why it's implemented this way.

Actually IIRC, it's done this way to standardize *internal* interpretation
on all the platforms (much like Rev standardizes on forward slash for path
delimiters). That way, regardless of whether the host OS uses LF only, CR
only or CRLF, when text data is read in from the outside it is all converted
internally to use the LF character (ASCII 10). If you want to read in the
actual end-of-line (EOL) delimiters, you can read the file in *as binary*:

  put url (file:myfilePath) into tVar  -- EOLs are now all LFs
  put url (binfile:myfilePath) into tVar  -- EOLs are all preserved

As to why LF was standardized as the internal representation? Well, I would
have to assume it's from Rev's roots - originally it was called MetaCard and
was developed for UNIX only... over time it migrated to the Windows and then
Mac platforms, and eventually became Revolution. And back in those days, the
LF char was used for the EOL character (although nowadays I think Linux
supports LF and CRLF, but I'm not sure).

Ken Ray
Sons of Thunder Software, Inc.
Email: [EMAIL PROTECTED]
Web Site: http://www.sonsothunder.com/


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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
It's just weird for someone coming from tools where CR means ASCII(13) and
LF means ASCII(10).  I don't think I've run across a tool where CR means
10 until now.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Richard Gaskin

Mark Schonewille wrote:
On Unix systems, the line delimiter is ASCII 10. On HyperCard, ASCII  
13 was used. On HyperCard is was called a return and a way had to be  
invented to make conversion of HyperCard stacks, as well as HyperCard  
users, to Revolution as easy as possible. Treating both linefeeds and  
returns as linefeeds as equals really made this easier.


The question remains, what would have happened if Revolution had used  
ASCII 13? Probably, this would have complicated using Rev stacks as  
shell and CGI scripts in Unix systems.


Another questions might be: Should Rev consider using real CR (ASCII 
13)for the constant CR, perhaps with a global property that can be set 
for compatibility.


Internally it could continue to use ASCII 10 as the main line delimiter, 
merely encouraging folks to use LF where they commonly use CR today.


Mikey's response is not unique; it seems all of us have scratched our 
head over this at one time or another.  We learned it and moved on, 
grateful that our habits of old Mac-specific HyperTalk were able to be 
carried forward.  But for Rev to be successful, we must see more users 
in the next five years than have ever used the product before, and 
things which reduce head-scratching will aid adoption.


Just a thought.  I'm sure there are others. :)

--
 Richard Gaskin
 Managing Editor, revJournal
 ___
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Re-2: Removing CRLF from text

2008-08-07 Thread mfstuart
Hi all,

I’ve tried all replies to this issue and the one that works is from Martin 
Baxter, using:
put URL (binfile:  tFilename) into tData
put tData into fld “Original”  --this results in displaying a “box” 
character at the end of each line

--now look for the set of string characters that I want to remove
put +  CRLF into tmatchstring   --the order that the string you’re 
looking for is important
replace tmatchstring with space in tData
replace   with empty in tData   --the replace character is the last char 
of each line from the “Original” field. I copied this character into the script
--place the result into a field for display
put tData into fld Changed

From my “Changed” field (the result of the script), I copied the text from it, 
saved it with Notepad and viewed the file with a Hex Editor.

The characters at the end of each line are:
(Hex=0d0d0a) which is 13 13 10

RunRev translation:
cr cr lf

Remember, this is all from using…
put URL (binfile:  tFilename) into tData

From the saved file above, I used it as the ini file for the software 
application, and the application works with it – no problem.

The net result is, this works using: put URL (“binfile:”….. when trying to do 
what I need to do …
… bring “broken” INI entries into one line, per ini entry.

Thanx all for your interesting responses. 

It shows how awesome, diverse and I might say in a nice way, indulgent, each 
RunRev developer is.

Regards,
Mark Stuart

p.s. I sent this same email from my work email address (which is not registered 
with this list), so you may see it twice.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
I just love the tone on this list - despite the fact that I'm nearly always
wrong, y'all are exceptionally patient and kewl with it.
-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
and did a little diving.
And God said, This is good.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Phil Davis

[EMAIL PROTECTED] wrote:
Thanx all for your interesting responses. 


It shows how awesome, diverse and I might say in a nice way, indulgent, each 
RunRev developer is.

Regards,
Mark Stuart


I think the lessons learned in this thread could make a nice Rev 
newsletter article.


--
Phil Davis

PDS Labs
Professional Software Development
http://pdslabs.net

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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Mikey
In another tool that I use VERY frequently, these little tidbits are
referred to as the Tao, because they are simply details regarding The Way
and the rationale behind The Way that the environment is designed, and once
one has an understanding of The Tao, many of the mysteries are much less so.

One might sometimes refer to such things as Stuff that might at first seem
counterintuitive or surprising, but that's a lot longer to type.
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Re: Re-2: Removing CRLF from text

2008-08-07 Thread Kay C Lan
On Thu, Aug 7, 2008 at 11:34 PM, Ken Ray [EMAIL PROTECTED] wrote:


 Actually IIRC, it's done this way to standardize *internal* interpretation
 on all the platforms (much like Rev standardizes on forward slash for path
 delimiters). That way, regardless of whether the host OS uses LF only, CR
 only or CRLF, when text data is read in from the outside it is all
 converted
 internally to use the LF character (ASCII 10). If you want to read in the
 actual end-of-line (EOL) delimiters, you can read the file in *as binary*:


Might then that explain why Mark Stuart could only get the 'binfile' version
of a solution to work.

Sarah and Jacque told him to replace  +  CRLF with , but if what you
say is correct, then Rev has already removed CRLFs, no such combo should
exist?

Mark, although you seem to have got a solution with binfile, does it work
with 'file' but just replacing +  LF ?

Also agree that everything learnt from this thread should make it to the
newsletter. I volunteer Mark Stuart ;-)
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