On Mon, Jun 10, 2013 at 12:16 PM, Tim Daneliuk <tun...@tundraware.com> wrote:
> That wasn't really my point. I use sentinels because in the face of an > empty string this: > > if [ $PTR = "" ] > > Actually evaluates to: > > if [ = "" ] > > Which throws an error. Right. Many scripts seem to assume that sh is bash, and that's certainly not the case here. if [ "x$BLAH" = "x" ]; then is the most reliable and portable way of determining if it's a string of zero length. - M _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
