`string match` is a good choice here as well:
if string match -q -- '-*' $test; echo yes; end
On Sun, Sep 24, 2017 at 9:35 PM, Alex Boisvert <alex.boisv...@gmail.com>
wrote:
> Use "--" (double-dash), which is used to indicate the end of command
> options, after which only positional parameters are accepted.
>
> This works:
>
> set firstChar (string sub -s1 -l1 -- "$text")
>
>
> On Sun, Sep 24, 2017 at 5:47 PM, Mark Volkmann <r.mark.volkm...@gmail.com>
> wrote:
> >
> > Suppose I have this:
> > set text '-foo'
> >
> > How can I determine whether the first character of the string in $text
> is a dash?
> > I tried this:
> > set firstChar (string sub -s1 -l1 "$text")
> >
> > But that doesn't work because "string sub" thinks I'm trying to specify
> another switch since $text starts with a dash, and of course "-foo" is not
> a valid switch for "string sub".
> >
> > --
> > R. Mark Volkmann
> > Object Computing, Inc.
> >
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