Re: AS_DIRNAME and expr

[Akim Demaille]

>>>>> "Paul" == Paul Eggert <[EMAIL PROTECTED]> writes:

>> expr ''

Paul> It returns the empty string on both Solaris 2.5.1 sparc
Paul> (/usr/bin/expr) and Solaris 8 sparc (both /usr/bin/expr and
Paul> /usr/xpg4/bin/expr).  For what it's worth, the standard requires
Paul> this behavior.

Thanks Paul!

So, maybe the real way out is the opposite: \| 0, and work with 0
instead of ''?