also sprach Stephen Gran <sgran@debian.org> [2006.03.01.1123 +0100]:
> Just being nitpicky, but why the double brackets? Isn't this more
> POSIXly correctly expressed as
> if [ -z "$POSTGREY_TEXT" ]; then
> ?
Agreed. Double brackets require bash or zsh. But you don't need
quotes in the above. IIRC, [ -z $POSTGREY_TEXT ] is posixly correct.
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