Re: [RFC] war on echo in scripts

From: Jonathan Nieder <jrnieder@gmail.com>
Date: Jul 9, 2010, 14:10 UTC
Message-ID: <20100709141011.GA1543@burratino>
In-Reply-To: <AANLkTint6AfhwKdeizt-YVt4O6AZbLG9A5h6ipJyQyIQ@mail.gmail.com>

Ævar Arnfjörð Bjarmason wrote:

> (Via H.Merijn Brand): This fails on the old HP-UX 10.20 bourne shell:

Git commands require a Posix-style shell (with support for $() among other things), which I suspect would rule out shells like the one you’re talking about. Still, portability is something to worry about...

Show 15 quoted lines

>     > cat xx.sh
>     #!/bin/sh
> 
>     echo ()
>     {
>     perl -le'print "Done!"'
>     }
> 
>     echo 1
>     echo Klaar
>     > sh xx.sh
>     xx.sh[3]: The operation is not allowed in a restricted shell.:
> echo is a shell builtin.
>     1
>     Klaar

That’s weird.  Where did “restricted shell” come into it?

Thanks for the example, Jonathan