[REBOL] [REBOL]string to series function Re:(2)
Sterling showed me how the following code gives me a block parse "one#two%three four" "#%" == ["one" "two" "three" "four"] that's great! Now if I write: my-series: parse "one#two%three four" "#%" just-one: my-series/1 just-one is returned as "one" now how do I get "one" into just-one with 1 line of code instead of two? thanks again tim
[REBOL] [REBOL]string to series function Re:(3)
Hi tim, just-one: pick parse/all "one#two%three four" "#% " 1 or just-one: first parse/all "one#two%three four" "#% " or, if want to continue collecting the complete block in my-series: just-one: pick my-series: parse/all "one#two%three four" "#% " 1 and just-one: first my-series: parse/all "one#two%three four" "#% " Note that pick is safer, it will return none if parse returns none or if parse returns an empty block, whereas first will fail with an error exception in both cases. At 09:07 PM 4/10/00 -0800, you wrote: Sterling showed me how the following code gives me a block parse "one#two%three four" "#%" == ["one" "two" "three" "four"] that's great! Now if I write: my-series: parse "one#two%three four" "#%" just-one: my-series/1 just-one is returned as "one" now how do I get "one" into just-one with 1 line of code instead of two? thanks again tim ;- Elan [: - )]
[REBOL] [REBOL]string to series function Re:(4)
At 09:55 PM 4/10/00 -0700, you wrote: Fair enough. I have little time to give a complete course on parse so I went for the shortest version. Yikes! Of course. I was worried that tim may eventually want to exclude spaces from his parse rule, and then he'd be frustrated, because he wouldn't know how to control space parsing. (Actually, I'd already written my response, and before I sent it off I checked my email to avoid duplicate answers, and lo and behold, there was your message. But I'd chosen a slightly different approach, and I thought it was still worth mentioning it ...) So he gets more than he asked for ;-). I expected to see a few other responses to this thread as well and sure enough the old-time REBOL-masters of the outside world give a more full answer than us insiders have time for. Time? I have time? ... Me? Take it easy guys, Sterling You to Sterling. ;- Elan [: - )]
[REBOL] first second third ... last
Elan wrote (in another thread): Note that pick is safer, it will return none if parse returns none or if parse returns an empty block, whereas first will fail with an error exception in both cases. 'second, 'third and so on do the same as well as 'last. I'm of the opinion that these functions should return 'none instead. So instead of: first [] ** Script Error: Out of range or past end. ** Where: first [] they should return: first [] == none YMMV. Andrew Martin "Move along now, nothing to see here." ICQ: 26227169 http://members.xoom.com/AndrewMartin/ --
[REBOL] network setting
hello, i have problem with network setting. I set up proxy host name, port number and type and it did not work. Please tell me what is the problem. error message: read http://www.rebol.com connecting to: www.rebol.com ** Access Error: Port none not open. ** Where: read http://www.rebol.com thanks for reply Filip Subr
[REBOL] network setting Re:(2)
[EMAIL PROTECTED] wrote: hello, i have problem with network setting. I set up proxy host name, port number and type and it did not work. Please tell me what is the problem. error message: read http://www.rebol.com connecting to: www.rebol.com ** Access Error: Port none not open. ** Where: read http://www.rebol.com Send in your settings, please (just change name and password if used :-). Well, you can probably use browser behind the firewall, so send us your browser proxy setting too ... -pekr- thanks for reply Filip Subr here is my %user.r REBOL [ Title: "User Preferences" Date: 11-Apr-2000/11:52:14+2:00 ] set-net [ [EMAIL PROTECTED] oskar.ssw.cz none socks.ssw.cz 1080 socks ] my browser is IE5 proxy server addres: socks: socks.ssw.cz port: 1080 Filip
[REBOL] network setting Re:(3)
[EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: hello, i have problem with network setting. I set up proxy host name, port number and type and it did not work. Please tell me what is the problem. error message: read http://www.rebol.com connecting to: www.rebol.com ** Access Error: Port none not open. ** Where: read http://www.rebol.com Send in your settings, please (just change name and password if used :-). Well, you can probably use browser behind the firewall, so send us your browser proxy setting too ... -pekr- thanks for reply Filip Subr here is my %user.r REBOL [ Title: "User Preferences" Date: 11-Apr-2000/11:52:14+2:00 ] set-net [ [EMAIL PROTECTED] oskar.ssw.cz none socks.ssw.cz 1080 socks ] hmm, try socks5 or socks4 respectively I am also sending you Sterling's proxy type identifier script off-list ... -pekr- my browser is IE5 proxy server addres: socks: socks.ssw.cz port: 1080 Filip
[REBOL] Return types Re:(6)
On Mon, 10 Apr 2000 [EMAIL PROTECTED] wrote: Hi Gisle, note that Gabriele discovered some early hints of work being done on return types in REBOL/View. Possibly there will be some return type handling in future versions of REBOL. Yes, I had a look at it, (Thanks Gabriele!) and it looks interesting... If I understand correctly the format would be: f: func [return: [block!]] [[]] Jeff also suggested that there might be more uses for set-words in the argument block, so I wonder what these could be? Gisle
[REBOL] free web hosting with rebol Re:(3)
Hello kracik, Monday, April 10, 2000, 10:37:16 AM, you wrote: kmdc Since you are the third person to ask on this ML in a week, I give up kmdc and post my incomplete guide written in terrible English at: kmdc http://hammer.prohosting.com/~rebol/rebol-cgi-prohosting.html Thanks Kracik for giving up and post your guide :-) kmdc Write me if you succeed in running REBOL on Prohosting following this kmdc guide. I will.BTW how could one query a server about what OS is running from REBOL command-line? -- Best regards, VICTORmailto:[EMAIL PROTECTED]
[REBOL] [REBOL] [REBOL]string to series function Re:(4)
I can't tell all of you enough how much I appreciate this mailing list. As a programmer who earns my living in "C/C++" and doesn't have a RD budget this is wonderful! I'm getting the impression from the various discussions of this thread, that parse is very powerful function that needs much investigation. From the clarity of Sterling and Elan's messages, I am hopeful that we will see much revealed in the Official Guide. parse is going to be a major tool when/if I implement rebol professionally. I'm sure that I will have more questions, and perhaps a tutorial will come of it. Maybe I'll do it. In six months. Hah!! Thanks so much tim At 11:28 PM 4/10/00 -0700, you wrote: At 09:55 PM 4/10/00 -0700, you wrote: Fair enough. I have little time to give a complete course on parse so I went for the shortest version. Yikes! Of course. I was worried that tim may eventually want to exclude spaces from his parse rule, and then he'd be frustrated, because he wouldn't know how to control space parsing. (Actually, I'd already written my response, and before I sent it off I checked my email to avoid duplicate answers, and lo and behold, there was your message. But I'd chosen a slightly different approach, and I thought it was still worth mentioning it ...) So he gets more than he asked for ;-). I expected to see a few other responses to this thread as well and sure enough the old-time REBOL-masters of the outside world give a more full answer than us insiders have time for. Time? I have time? ... Me? Take it easy guys, Sterling You to Sterling. ;- Elan [: - )]
[REBOL] [REBOL] Redefining functions with objects
I'm thinking of developing a class. Let's call it tims-object Suppose I write a function for this class and I call it print Will tims-object/print redefine rebol's own print? I don't really want to do this, so I would welcome comments on this. thanks tim
[REBOL] [REBOL] Redefining functions with objects Re:
Hi Tim, Will tims-object/print redefine rebol's own print? Within tims-object print replaces the global print, which you can continue to access using system/words/print tims-object: make object! [ print: func [][ system/words/print "this is the global print." ] ] tims-object/print this is the global print. Outside of the object's context print is not affected by your re-definition of print in the object. ;- Elan [: - )]
[REBOL] Using Rebol with HTML templates, reading dynamic data -- is it possible? Re:
[EMAIL PROTECTED] wrote: 1. A Rebol script can be used to fetch data from a textfile and put the data into a HTML template, thus creating an unique web page? In this way one may render lots of documents of the same kind, but with unique data, such as a list of products where each product is linked to a script-generated information page? 2. A Rebol script can be used in the way above, but on the server side, reading data from a text file for input to the HTML template. In this way, Rebol may serve the same function as Visual Basic or Javascript within an Active Server Page? 3. Which one of the two above methods is preferred -- rendering unique web pages with a script or having the script read data "on the fly" thus providing dynamic web pages? With your first method you mean 'static rendering' I suppose - this is a viable method for high-traffic sites (but almost certainly not necessary). In general, you're more flexible with method 2 - although I don't know if 'HTML-embedded Rebol' is possible (well, it is certainly possible but I haven't come along a standard way to deploy it). I would be really glad to get some ideas on this, and maybe even some code that I can play around with to learn from. Thanks! You can play a bit with my Vanilla system (http://www.langreiter.com/vanilla) - it's easy to understand, supports templating and editing over the web, extension scripts and so on ... If you want to try it out without installing it on your own server, have a look at http://iw2.infowerk.co.at/cgi-bin/vanilla.rBest wishes, Chris Langreiter
[REBOL] fun with 'switch
Just a note to warn unsuspecting REBOLers. Consider the following. I want to 'switch based on the return value of a function. If the function returns none, I don't want to do anything, but I want to make it clear in the code that none is an acceptable value. I know I can code this multiple ways, but I thought the following should have worked: retval: curr-func switch retval [none [print "val-none"] "abort" [print "val-abort"]] == none Notice that the == none is the value returned from 'switch, not the execution of the none block. To further illustrate: switch/default retval [none [print "val-none"] "abort" [print "val-abort"]][print "val-default"] val-default Which was what I was getting in my program. I consider this a bug, but it's easy enough to work around. - Michael Jelinek
[REBOL] Vanilla sample-space
Hi folks, since Vanilla is a lil' bit awkward to deploy at the moment (eventually, it should be download-doubleclick-deploy kind of thing, but for now it certainly isn't), I've set up a 'playground' at http://iw2.infowerk.co.at/cgi-bin/vanilla.r?selector=displaysnip=playground I'm sure that there are still bright people on this world (and maybe even on this list) who haven't been exposed to the wiki principle yet. Everyone edits everything. It's human. There may be vandals, but usually we know how to behave. Over the next few days I'll enhance the extension script capability of Vanilla, so that it will become possible to write full-fledged web applications with it. DynaSnip-caching is waiting, too. And WML rendering. And a 'history' aka revision control facility. Lots of things, some even exciting. Get in touch. Enjoy! Chris Langreiter _ c h r i s langreiter - - - unterlangkampfen 3 2 7 f o r m is function -- autriche 6322 langkampfen 0 0 4 3 / (0) 5 3 3 2 / 8 7 6 0 7 c a l l - n o w w w w . l a n g r e i t e r . c o m There are three kinds of lies: lies, damn lies, and statistics. --Benjamin Disraeli
[REBOL] Searchable archive/ tcp/ip questions Re:(4)
Hello, It does print 192.168.0.1 again, so, uhm, is there any other way to get around this? I can't access the network settings on a remote computer... ;o) Thanks, Rachid it's easy, try this: print system/network/host-address 194.213.219.17 If it prints your other IP address (in your example 192.168.0.1), try to change the order of network adapters in Windows network settings.
[REBOL] fun with 'switch Re:
Hi Michael, 1. The Problem 2. The Solution 1. The Problem: retval: curr-func switch retval [none [print "val-none"] "abort" [print "val-abort"]] == none Notice that the == none is the value returned from 'switch, not the execution of the none block. To further illustrate: The reason it didn't work is that the none in a block, [none], is a value of type word! the none "as we know and love it" is a value of type none!: type? first [none] == word! type? none == none! The none in brackets is not an evaluated none. Evaluation makes the word none a value-of-type-none! none. type? do [none] == none! type? do first [none] == none! The same is true for other values/words such as false, true, on, off. 2. The Solution: You can do or reduce (you get the value, or a block containing the value:) type? first reduce [none] == none! type? do [none] == none! To apply it to your problem. Simply reduce the block you pass to switch: retval: none == none switch retval reduce [none [print "val-none"] "abort" [print "val-abort"]] val-none Hope this helps, ;- Elan [: - )]
[REBOL] Vanilla sample-space Re:
I did download your earlier version (it needed a little more configuration than I expected). Why not package it in the REBOL rip compressed archive format? At 09:53 PM 4/11/00 +0200, you wrote: Hi folks, since Vanilla is a lil' bit awkward to deploy at the moment (eventually, it should be download-doubleclick-deploy kind of thing, but for now it certainly isn't), I've set up a 'playground' at http://iw2.infowerk.co.at/cgi-bin/vanilla.r?selector=displaysnip=playground I'm sure that there are still bright people on this world (and maybe even on this list) who haven't been exposed to the wiki principle yet. Everyone edits everything. It's human. There may be vandals, but usually we know how to behave. Over the next few days I'll enhance the extension script capability of Vanilla, so that it will become possible to write full-fledged web applications with it. DynaSnip-caching is waiting, too. And WML rendering. And a 'history' aka revision control facility. Lots of things, some even exciting. Get in touch. Enjoy! Chris Langreiter _ c h r i s langreiter - - - unterlangkampfen 3 2 7 f o r m is function -- autriche 6322 langkampfen 0 0 4 3 / (0) 5 3 3 2 / 8 7 6 0 7 c a l l - n o w w w w . l a n g r e i t e r . c o m There are three kinds of lies: lies, damn lies, and statistics. --Benjamin Disraeli ;- Elan [: - )]
[REBOL] [REBOL] Redefining functions with objects Re:(2)
Hi Michael -
At 12:42 PM 4/11/00 -0700, you wrote:
I'm currently defining a 'print element of an object as a function. I'm
assuming that the REBOL definition of 'print will be hidden in the
definition of this object (and definitions of functions local to the object)
Actually .
print would write to a port, which could be standard
output OR a physical file. The port would be defined
as a member of the object as well.
let's call this content-object ; will build virtual
; pages OR could be used to build a physical web page
; let me know what you think of the following:
; thanks for your interest :)
; tim
content-object: make object!
[
write_to_file: func []
[
; is this being run from a server?
either equal? system/options/cgi/server-name none
[return true]
[{else}return false]
]
init_output: func[fname[string!] /local fpl]
[
either write_to_file ; no server so open a write port
; to fname
[
file_name: make file! fname
fp1: open/new/write file_name
]
; yup, we're on the server so keep writing to stdout
[{else} fp: system/ports/output]
return fpl
]
; what the hay!! We can call this anything, but
; print would be great if it didn't screw up implicit
; output to stdout for the "original print"
fp: init_output "hello.htm"
print: func [fp[port!] value]
[append fp value]
]
; If this process works with out conflict, then I would
; create a debug object which would write to a file that
; would be created every time the application runs
; and an errorlog object that would be appended every
; time the application ran, given an error or warning
; condition appeared. Standard parts of the my C/C++/CGI
; toolkit and expected by sysops that my cgi programs
; run on. They could all have a print element (method)
; OR I could call it something else.
- which is ok. Outside of the element 'print, the REBOL definition works
just fine. Following is the relevant piece of my object:
player-def: make object! [
name: none
connection: none
; METHODS
; - - - - - - - - - - - - - - - - - - - - - -
print: function [
"Print a message to this player, with trailing new-line"
msg [string! block!]
][new-msg][
; Cleanup the message suitable for telnet display
new-msg: player-format-print msg
append new-msg new-line
append connection new-msg
]
; - - - - - - - - - - - - - - - - - - - - - -
prin: function [
"Print a message to this player"
msg [string! block!]
][new-msg][
; Cleanup the message suitable for telnet display
new-msg: player-format-print msg
append connection new-msg
]
]
- Michael Jelinek
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, April 11, 2000 11:32 AM
To: [EMAIL PROTECTED]
Subject: [REBOL] [REBOL] Redefining functions with objects
I'm thinking of developing a class.
Let's call it
tims-object
Suppose I write a function for this
class and I call it
print
Will
tims-object/print
redefine rebol's own print?
I don't really want to do this, so
I would welcome comments on this.
thanks
tim
[REBOL] [REBOL] [REBOL] Redefining functions with objects Re:(2)
I have probably answered my own question:
I'm still a newbie, but am pleased to return
results -
; == consider the following code: the two objects work
; independently. They use the same named methods
; op, prn, and close
; When I named those methods open, print,and close,
; I got stack overflows, which suggests to me
; that rebol doesn't like me overridding their
; own system functions.
; I'm happy with the result. Less typing eh!
REBOL
[
Title: "object"
Date: 011-Apr-2000
File: %object.r
Purpose: {testing rebol objects}
]
;=== make first object
object-one: make object!
[
op: func [] [fp: open/new/write %objone.txt]
prn: func [value]
[append fp value]
cls: func[] [close fp]
]
;=== make first object
object-two: make object!
[
op: func [] [fp: open/new/write %objtwo.txt]
prn: func [value]
[append fp value]
cls: func[] [close fp]
]
;=== test first object
object-one/op
object-one/prn "testing object-one once more"
object-one/cls
;=== test second object
object-two/op
object-two/prn "testing object-two once more"
object-two/cls
At 05:10 PM 4/11/00 -0800, you wrote:
Hi Michael -
At 12:42 PM 4/11/00 -0700, you wrote:
I'm currently defining a 'print element of an object as a function. I'm
assuming that the REBOL definition of 'print will be hidden in the
definition of this object (and definitions of functions local to the
object)
Actually .
print would write to a port, which could be standard
output OR a physical file. The port would be defined
as a member of the object as well.
let's call this content-object ; will build virtual
; pages OR could be used to build a physical web page
; let me know what you think of the following:
; thanks for your interest :)
; tim
content-object: make object!
[
write_to_file: func []
[
; is this being run from a server?
either equal? system/options/cgi/server-name none
[return true]
[{else}return false]
]
init_output: func[fname[string!] /local fpl]
[
either write_to_file ; no server so open a write port
; to fname
[
file_name: make file! fname
fp1: open/new/write file_name
]
; yup, we're on the server so keep writing to stdout
[{else} fp: system/ports/output]
return fpl
]
; what the hay!! We can call this anything, but
; print would be great if it didn't screw up implicit
; output to stdout for the "original print"
fp: init_output "hello.htm"
print: func [fp[port!] value]
[append fp value]
]
; If this process works with out conflict, then I would
; create a debug object which would write to a file that
; would be created every time the application runs
; and an errorlog object that would be appended every
; time the application ran, given an error or warning
; condition appeared. Standard parts of the my C/C++/CGI
; toolkit and expected by sysops that my cgi programs
; run on. They could all have a print element (method)
; OR I could call it something else.
- which is ok. Outside of the element 'print, the REBOL definition works
just fine. Following is the relevant piece of my object:
player-def: make object! [
name: none
connection: none
; METHODS
; - - - - - - - - - - - - - - - - - - - - - -
print: function [
"Print a message to this player, with trailing new-line"
msg [string! block!]
][new-msg][
; Cleanup the message suitable for telnet display
new-msg: player-format-print msg
append new-msg new-line
append connection new-msg
]
; - - - - - - - - - - - - - - - - - - - - - -
prin: function [
"Print a message to this player"
msg [string! block!]
][new-msg][
; Cleanup the message suitable for telnet display
new-msg: player-format-print msg
append connection new-msg
]
]
- Michael Jelinek
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, April 11, 2000 11:32 AM
To: [EMAIL PROTECTED]
Subject: [REBOL] [REBOL] Redefining functions with objects
I'm thinking of developing a class.
Let's call it
tims-object
Suppose I write a function for this
class and I call it
print
Will
tims-object/print
redefine rebol's own print?
I don't really want to do this, so
I would welcome comments on this.
thanks
tim
