Herculano Einloft <[EMAIL PROTECTED]> writes: > Em (02:25:11), Andreas Schwab escreveu: > >> >>> Hey all, >>> >>> $ if $(echo string >/dev/null); then echo true; fi >>> true >>> >>> This should be a syntax error >> >>No, it is a perfectly valid command, syntactically. That the command >>substitution expands to nothing has no significance any more once the >>command is parsed, just like shell meta characters resulting from >>expansions are taken literally. >> >>Andreas. > > That's not true.. try: > > $ echo $(echo \*) > > or > > $ a=*; echo "$a"; echo $a > > for illustration.
The '*' has no significance in the parser. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] 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." _______________________________________________ Bug-bash mailing list Bug-bash@gnu.org http://lists.gnu.org/mailman/listinfo/bug-bash
