Re: [PLUG] Perl backticks/system question

[Jon Nelson <lists@linuxnotes.net>]

On Mon, 2007-11-19 at 13:03 -0500, Walt Mankowski wrote:
> On Mon, Nov 19, 2007 at 12:41:52PM -0500, lists@linuxnotes.net wrote:
> >     root@2[cgi-bin]# perl -MConfig -le 'print $Config{sh}'
> >     /bin/sh
> >     root@2[cgi-bin]#
> >     root@2[cgi-bin]# ls -al `which sh`
> >     lrwxrwxrwx 1 root root 4 Jul  6 12:59 /bin/sh -> bash
> > 
> > So it looks like I am using the same shell, but still getting the errors.
> 
> (Lots of stuff snipped since it was becoming unreadable anyway.)
> 
> It's clear that perl is using bash.  But you said that you could enter
> commands with parens from the command line and not get any errors,
> which implies that maybe your own shell is something other than bash.
> 
> Here's what happens when I try to use parens from bash:
> 
> $ echo a(b)c
> bash: syntax error near unexpected token `('
> $ echo a\(b\)c
> a(b)c
> 
> Are you sure your shell is bash?  What do you see when you enter
> 
> $ echo $SHELL

/bin/bash

I must not have been too clear when I was trying to explain myself
before, but I will try again.

When I run the perl script (which in turn runs the bash script) I get
the syntax error.  If I manually run the bash script and provide it with
the arguments, in the same format that quotemeta does, I get no errors.

Jon

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