> >
> >Your echo is redundant. Just quote the expansion and assign it.
> >
> NAK. Try this:
> MODULES=( '!foo' '!bar' )
> modules="${MODULES[@]/#\!*}"
> [[ $modules ]] && echo "'$modules' is not a null string"
> ' ' is not a null string
>
> >modules="${MODULES[@]/#\!*}"
> >
> >I think we're a looooong way away from the day when there's a '!' as
> >part of a module name, but I think it's probably best to anchor the
> >expression to the start of each element regardless.
> >
> OK, but the quotes aren't needed because word splitting is not
> performed here. So we finally get:
>
> modules=$( echo ${MODULES[@]/#\!*} )
>
> --
> Kurt
>
>
We're going to have to agree that we're both right, and we're both
wrong. The echo is _still_ unnecessary. I've learned to quote everything in
bash, and now it's working against me.
$ MODULES=( '!foo' '!bar' )
$ modules=${MODULES[@]/#\!*/}
$ [[ -z $modules ]] && echo null
null
d
