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Date:	Thu, 21 Aug 2008 22:51:46 -0600
From:	Eric Blake <ebb9 AT byu DOT net>
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According to Eric Blake on 8/21/2008 10:41 PM:
> You don't necessarily need the extra subshells.
> 
> if shell_fun_call && [ $var -eq "foo" ]
> 
> is valid shell, provided $var is guaranteed to be non-empty, doesn't start
> with any character that might confuse test (such as '-', '!', '(', etc.),
> and doesn't contain whitespace.

Actually, -eq implies numeric comparison, but "foo" is not a number.  And
I prefer test over [ ] (but that's the autoconf side of me speaking).  If
you want to be really robust, write:

if shell_fun_call && test "x$var" = xfoo

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9 AT byu DOT net
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