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Re: #!/bin/sh troubles
- To: gnu-win32 at cygnus dot com
- Subject: Re: #!/bin/sh troubles
- From: cgf at cygnus dot com (Christopher G. Faylor)
- Date: 29 Dec 1998 01:53:15 GMT
- Newsgroups: cygnus.gnu-win32
- Organization: Cygnus Solutions
- References: <Pine.LNX.4.05.9812071345480.22256-100000@cseawood.qualcomm.com>, <Pine.LNX.4.05.9812281449390.3134-100000.cygnus.gnu-win32@cseawood.qualcomm.com>
- Stamped: newsgate-cygnus
In article <Pine.LNX.4.05.9812281449390.3134-100000.cygnus.gnu-win32@cseawood.qualcomm.com>,
Christopher Seawood <cseawood@qualcomm.com> wrote:
>On Mon, 7 Dec 1998, it was written:
>> I copied b20.1's sh.exe to /bin/sh and cp removed the execute permissions.
>> Chmod'ing the binary did not work either. So I moved /bin/sh to
>> /bin/sh.exe. Autoconf runs and spits 6 lines of control chars, each
>> ending with ": not found". Then it spits out
>> /bin/sh.exe: 11: Syntax error: ")" unexpected.
>>
>
>Well, I was playing with the problem again today when I accidentally
>typed: sh /bin/sh.exe . And surprise, I got the same 6 lines of control
>chars so could it be that sh is attempting to run itself instead of the
>shell script that calls it when I try to run just ./configure or autoconf?
The standard Windows permission settings do not include an execute bit.
The execute bit is simulated by Cygwin. If Cygwin sees that a filename
ends with .exe, it sets the execute permission bits that you see when
you do a ls -l. Cygwin will also set the bits if the first two characters
of a file are '#!'.
I'm not sure why you're copying /bin/sh.exe to /bin/sh but it is not
necessary and will only confuse things.
Scripts that begin with '#!/bin/sh' behave properly under Cygwin. Adding
the .exe to the /bin/sh is optional and probably should be avoided if your
goal is to create portable scripts.
--
cgf@cygnus.com
http://www.cygnus.com/
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