On Fri, Jun 1, 2012 at 1:58 PM, Clark WANG <[email protected]> wrote: > For example: > > $ echo ${.sh.version} > Version JMP 93u+ 2012-05-17 > $ > $ [ -n hello world ] && echo yes > yes > $
More example: $ [ -z "" foo bar ] && echo yes yes $ [ -d / foo bar ] && echo yes yes $ [ -o glob foo bar ] && echo yes yes $ [ -n foo -n bar ] && echo yes yes $ [ -n foo -n '' ] && echo yes yes $ [ foo = foo bar ] && echo yes yes $ > > In Bash I got: > > $ echo $BASH_VERSION > 4.2.20(1)-release > $ > $ [ -n hello world ] && echo yes > bash: [: hello: binary operator expected > $ > > In Zsh I got: > > $ echo $ZSH_VERSION > 4.3.12 > $ > $ [ -n hello world ] && echo yes > [: too many arguments > $ _______________________________________________ ast-users mailing list [email protected] https://mailman.research.att.com/mailman/listinfo/ast-users
