Keith Marshall <keithmarshall@xxxxxxxxxxxxxxxxxxxxx> writes: > Where is it *ever* necessary? The backticks themselves serve as quotes. This is wrong. The expansion of a command substitution is subject to word splitting and filename expansion, unless quoted. Especially the latter is most serious. > A string such as > "a string `echo with an embedded backquoted` substring" > > can always be safely rewritten as > "a string "`echo with an embedded backquoted`" substring" $ echo `echo 'a b'` a b $ echo "`echo 'a b'`" a b Andreas. -- Andreas Schwab, SuSE Labs, schwab@xxxxxxx SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf