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From: "Michael Kairys" <kairys@comcast.net>
Subject:  Re: Wish Setup would accept my Perl
Date:  Tue, 11 Dec 2007 06:56:52 -0500
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"Andrew DeFaria" <Andrew@DeFaria.com> wrote in message
news:fjd50u$sud$1@ger.gmane.org...

> Well that tells you that your previous invocations of system and backquote 
> constructs were not portable to start with. It would be far better to 
> centralize such things to a subroutine to try to mitigate the portability 
> issues. Then again if you are gonna call programs that just don't exist on 
> anything but Windows you will have a problem. But perhaps you can do it in 
> a more "posix" way. And if all else fails you can call the cmd built in 
> with "cmd /c <command>".

Yes, I've done that in most cases, and tested $^O to know what to do. In the
case I noticed I was calling a Windows program by a Windows path and had no
reason to write it differently. So if I want to run that particular script
under Cygwin Perl I could branch to an sh-compatible call, or actually I
rather like the idea of "standardising" on system("cmd /c
...") even if it does waste a cmd.exe invocation :)

> As I said I don't know exactly why your Tk isn't working. I do know that 
> Tk under Cygwin assumes a running X server. I rarely run an X server - I 
> simply use rxvt instead - so I don't like that requirement. I also work 
> with IBM/Rational products and often need to run ccperl or cqperl - both 
> of which are AS based. And they have Tk in there that works straight on 
> Windows (like rxvt does if it senses there is no X server running - I wish 
> Cygwin's Perl::Tk would do that!).

Actually I had no idea - and I must say that rather dissuades me from using
it. I have no other need for an X server, and I quite like the way AS
Perl/Tk gives me Windows controls on Windows and X widgets on X. (I have
installed AS Perl on Solaris and run some of my Perl/Tk scripts there
without problem. Thanks for pointing that out.



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