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Re: A bug in Bourne - horrors!!
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From: |
Paul Eggert |
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Subject: |
Re: A bug in Bourne - horrors!! |
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Date: |
Mon, 09 May 2005 13:21:03 -0700 |
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User-agent: |
Gnus/5.1006 (Gnus v5.10.6) Emacs/21.4 (gnu/linux) |
Jim Easton <address@hidden> writes:
> I am sorry, after >22 years of writing shell scripts I should get it
> but I don't understand your suggestion of $(...).
Instead of writing this:
LIST=`echo "$DATA" | sed '/\\$/s/^/AA/'`
write this:
LIST=$(echo "$DATA" | sed '/\\$/s/^/AA/')
This latter form is not portable to the original Unix /bin/sh, but
it's been required by POSIX for over a decade.