Date: Thu, 1 Mar 2001 10:50:36 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Daniel Barker <sokal AT holyrood DOT ed DOT ac DOT uk>
cc: djgpp AT delorie DOT com
Subject: Re: Penalty for immature language (PERL/BASH)
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On Wed, 28 Feb 2001, Daniel Barker wrote:

> At the BASH prompt, I launch the following PERL script, prog.pl:
> 
> while(<>)
> {
> `$_`
> }
> 
> If I give this a single line consisting of the word "poo", BASH performs
> an illegal instruction.

Could you please describe, for the Perl-illiterate such as myself,
what does this loop do, in the terms of its interaction with the OS?
Looking into this problem involves the DJGPP library as well as
Perl-specific knowledge; I lack the second part to try to think about
the possible reasons.