<wib_jonas> slashlearn hand injuries//Hand injuries are surprisingly common among webcomic writers, see eg. http://questionablecontent.net/view.php?comic=2314 http://www.giantitp.com/comics/oots0864.html or https://www.irregularwebcomic.net/news.php?date=2020-05-27

#!/bin/bash
interp="$1"; script="$2"; shift 2; if [ "$#" -eq 1 ]; then printf '%s\n' "$1"; elif [ "$#" -eq 0 ]; then cat; fi | { shift; $interp "$script" "$@"; }