Set `$suffix` or `$exe` for `altdocker` script
Set `$suffix` or `$exe` for `altdocker` script

If `suffix` is set, append it to `docker`, e.g. `suffix=-old` runs
`docker-old` instead of `docker`.

benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles