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Re: document that echo can't be given a NULL


From: Paul Jarc
Subject: Re: document that echo can't be given a NULL
Date: Fri, 10 Mar 2006 13:27:20 -0500
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.4 (gnu/linux)

Dan Jacobson <address@hidden> wrote:
> No way to hand echo or /bin/echo a NULL.

For /bin/echo, that's because execve() uses null-terminated strings.
For bash's builtin echo, it could be done, but then it would be
inconsistent with external commands, which might be surprising.


paul




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