newbie question -- problem with launching shell script files

Alexey Illarionov illarion@yorku.ca
Wed Oct 3 17:14:00 GMT 2007


Thanks to everyone for your help.

On 10/3/07, Steve Holden <steve@holdenweb.com> wrote:
> Alexey Illarionov wrote:
> > Hello,
> >
> > I have just installed cygwin using setup.exe and know almost nothing
> > about it. I made no changes in any configuration files and launch my
> > cygwin session just by starting the unchanged 'cygwin.bat' file.
> >
> > I wrote a small script. Here is the content of the 'run.sh'
> >
> > #!/bin/sh
> > cd /cygdrive/c
> >
> > Unfortunately, it does not work. The command './run.sh' does nothing.
>
> That's not true. It does something, but it does it in a sub-process
> that's started by your interactive shell (then waits for that process to
> terminate before issuing another prompt). So that new process does
> indeed change directory, but the shell process that's waiting doesn't.
>
> > I found in FAQ that the problem is not new, but I'm not sure that I
> > understand correctly the way to overcome it. There are two possible
> > sources of this problem as it is wrote in FAQ.
> > 1. Bash does not understand that it is executable file. This should be
> > fixed by first line of my script '#!/bin/sh'
> > 2. Some problems with chmod. I don't really understand what I should
> > do in this case, but it looks like this is not the case because 'chmod
> > +x run.sh' works fine.
> >
> Both those issues are to do with making sure your shell script is
> correcttly treated as executable.
>
> > I would really appreciate if anyone could help to deal with this problem.
> >
> Hope this helps.
>
> regards
>   Steve
> --
> Steve Holden        +1 571 484 6266   +1 800 494 3119
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>
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>
>
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-- 
Best regards, Alexey A. Illarionov

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