Re: What's wrong with this expression?

["Daniel Serodio (lists)" <daniel.lists@xxxxxxxxxxxxx>]

Mikael Magnusson wrote:
> On 17 October 2011 23:31, Daniel Serodio (lists)
> <daniel.lists@xxxxxxxxxxxxx>  wrote:
> > Mikael Magnusson wrote:
> >
> > On 17 October 2011 23:27, Daniel Serodio (lists)
> > <daniel.lists@xxxxxxxxxxxxx>  wrote:
> >
> > Mikael Magnusson wrote:
> >
> > On 17 October 2011 23:09, Daniel Serodio (lists)
> > <daniel.lists@xxxxxxxxxxxxx>  wrote:
> >
> > I'm trying to troubleshoot a script that works with bash but fails with zsh,
> > and it uses the "regex match" operator. What's wrong with this expression?
> >
> >     [[ "foo" ~= "x" ]]&&  echo true
> >
> > Fails with "zsh: condition expected: ~="
> >
> > You wrote ~= instead of =~
> >
> > Ooops. Error copy'n'pasting. The actual line in the script that fails is:
> >
> >      if [[ ! "${PATH}" =~ $regex ]] ; then
> >
> > where "regexp" is:
> >
> >       regex="^([^:]*:)*${rvm_bin_path}(:[^:]*)*$"
> >
> > Fails how?
> >
> > Sorry. Fails with "condition expected: =~"
>
> Maybe you don't have any regex module installed/loaded, does
> -regex-match instead of =~ work?
Hmmm, this seems to be the problem.

    [[ "foo" -regex-match "x" ]] && echo x

fails with:

    zsh: unrecognized condition: `foo'