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Message-ID: <3AA98C43.A4366B33@Wanadoo.fr>
Date: Sat, 10 Mar 2001 03:06:59 +0100
From: Jerome BENOIT <JGMBenoit AT Wanadoo DOT fr>
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To: cygwin AT cygwin DOT com
Subject: Re: bug or feature: `eval' vs `#!'
References: <4 DOT 3 DOT 1 DOT 2 DOT 20010309113008 DOT 023c7720 AT pop DOT ma DOT ultranet DOT com> <3AA9658B DOT EABF16E1 AT Wanadoo DOT fr> <20010309202353 DOT O6430 AT redhat DOT com>
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Christopher Faylor wrote:
> 
> On Sat, Mar 10, 2001 at 12:21:47AM +0100, Jerome BENOIT wrote:
> >
> >
> >> >Hello:
> >> >
> >> >Under Win98 script files with as first line
> >> >
> >> >eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' && eval 'exec perl
> >> >-S $0 $ argv:q'
> >> >
> >> >contrary to script files with bang mechanism (`#! <executable>')
> >> >are not identify as executable (and we cannot set them executable with
> >> >`chmod'),
> >> >and therefore the completion mechanism does NOT work for them.
> >> >
> >> >
> >> >
> >> >Is it a bug or a feature ?
> >> >
> >> >Byebye,
> >> >Jerome BENOIT
> >>
> >> Shell scripts that don't start with !# are inherently non-portable.  See
> >>
> >> Why doesn't my script work?
> >> http://www.cygwin.com/faq/faq_toc.html#TOC39
> >>
> >> in the FAQ.  Keep in mind, this is a great source of information for
> >> issues/questions like these!
> >
> >The script works under Cygwin and its first line is said to be portable,
> >hence my question.
> 
> And what heuristic would you apply to identify that the script was executable.
> We try to be accomodating in cygwin, so we look for things like '#!' and ':'
> at the beginning of a file to verify that a script is executable but
> trying to parse the above is not something that I think makes sense.
> 
> You can, of course, use ntsec on Windows NT, if you want to have true
> UNIX permissions.  That really is the best, and fastest way to get what
> you want.
> 
> If you don't have NT, or are on a FAT partition, then
> 
> (drum roll, please)
> 
> Patches are gratefully considered.

I just want to port such scripts to Cygwin:
I will replace the bad first line by an appropriate `#!' line.
  
Ciao,
Jerome BENOIT



> 
> cgf
> 
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