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A plugin to shrink directory paths for brevity and pretty-printing

Examples

For this directory tree:

    /home/
      me/
        foo/
          bar/
            quux/
          biz/     # The prefix b is ambiguous between bar and biz.

here are the results of calling shrink_path <option> /home/me/foo/bar/quux:

    Option        Result
    <none>        /h/m/f/ba/q
    -l|--last     /h/m/f/ba/quux
    -s|--short    /h/m/f/b/q
    -t|--tilde    ~/f/ba/q
    -f|--fish     ~/f/b/quux
    -3            /hom/me/foo/bar/quu
    -e '$' -3     /ho$/me/foo/bar/qu$

Usage

For a fish-style working directory in your command prompt, add the following to your theme or zshrc:

    setopt prompt_subst
    PS1='%n@%m $(shrink_path -f)>'

The following options are available:

    -f, --fish       fish simulation, equivalent to -l -s -t.
    -l, --last       Print the last directory's full name.
    -s, --short      Truncate directory names to the number of characters given by -. Without
                     -s, names are truncated without making them ambiguous.
    -t, --tilde      Substitute ~ for the home directory.
    -T, --nameddirs  Substitute named directories as well.
    -#               Truncate each directly to at least this many characters inclusive of the
                     ellipsis character(s) (defaulting to 1).
    -e SYMBOL        Postfix symbol(s) to indicate that a directory name had been truncated.

The long options can also be set via zstyle, like

    zstyle :prompt:shrink_path fish yes

Note: Directory names containing two or more consecutive spaces are not yet supported.

License

License: WTFPL http://www.wtfpl.net

Ref: https://www.zsh.org/mla/workers/2009/msg00415.html https://www.zsh.org/mla/workers/2009/msg00419.html

Misc

Keywords: prompt directory truncate shrink collapse fish

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