It's hacky, but you could read /proc/$PID/cmdline. It's a NUL-delimited
file containing the entire commandline used to start the process. Then you
can use readlink -f to find the absolute path. If the first element
resolves to the path of fish, the second should resolve to the path of the
script.
2013/6/11 Michael Stillwell <m...@beebo.org>
> I can't seem to get $_ to output the name of the script. Sometimes
> it's blank, and sometimes ".".
>
> For example, "echo $_" in my ~/.config/fish/config.fish outputs a blank
> line.
>
> Some other experiments:
>
> $ echo $FISH_VERSION
> 2.0.0
> $ cat foo.fish
> echo $_
> $ fish foo.fish
> [blank line]
> $ . foo.fish
> .
>
> Compared to bash:
>
> $ cat foo.bash
> echo $0
> $ bash foo.bash
> foo.bash
> $ . foo.bash
> bash
>
>
>
> Cheers,
> Michael
>
> On Tue, Jun 11, 2013 at 3:56 PM, Alex Boisvert <alex.boisv...@gmail.com>
> wrote:
> > Try $_
> >
> > from http://fishshell.com/docs/2.0/index.html#variables
> >
> >
> > On Tuesday, June 11, 2013, Michael Stillwell wrote:
> >>
> >> Is there a fish equivalent of $0 (the full pathname of the running
> >> script)? (Or indeed any way to determine what directory a script is
> >> in, from within the script itself?)
> >>
> >>
> >>
> >>
> >> Michael
> >>
> >>
> >>
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