Hello David, * Dr. David Kirkby wrote on Thu, Feb 10, 2011 at 07:56:24PM CET: > I know its considered bad practice to check for an empty string with something like: > > if [ "$STR" = "" ] ; then > > but what shells do actually break with this, and under what conditions? It's not shells that break. It's these kinds of issues: http://thread.gmane.org/gmane.comp.sysutils.autoconf.general/13706 Cheers, Ralf _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf