On Wed, Sep 04, 2013 at 01:20:00PM +1000, Herbert Xu wrote: > > > "test ! -o !" is a three-argument test, where $2 (-o) is a binary > > primary, so it is the binary test of $1 and $3, and the end result is an > > exit status of 0. Bash and ksh get it right, dash fails. > > Both zsh and posh do it like dash: > > $ zsh -c 'test ! -o !'; echo $? > zsh:test:1: too many arguments > 1 > $ zsh -c 'test ! = !'; echo $? > 0 > $
Another case in point is 'test ! = -o a', here bash differs with every other shell installed on my system, which all return 0, just like dash. Cheers, -- Email: Herbert Xu <[email protected]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe dash" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
