Re: [dwm] dmenu_cache patch for dmenu 3.0

Sander van Dijk --> dwm (2007-05-13 11:52:17 +0200):
> On 5/13/07, Jukka Salmi <j+dwm_AT_2007.salmi.ch> wrote:
>> To be compatible with old shells you should be careful when test(1)ing
>> a potentially unset or empty variable; i.e. use `test x$var != x'
>> instead of `test $var'.
>
> Wouldn't `test "$var"' work as well?

I've been told that there are shells which even get this wrong, leaving
`test x$var ...' as the only portable way... But I've never used such
a shell myself, though.

Regards, Jukka

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