run.sh

#!/bin/bash

set -e

lang=$1

case $lang in

    C)          cd $lang; make all;;
    C++)        cd $lang; make all;;
    C#)         cd $lang; make all;;
    Clojure)    cd $lang; make all;;
    Crystal)    cd $lang; make all;;
    Dart)       cd $lang; make all;;
    Elixir)     cd $lang; make all;;
    Erlang)     cd $lang; make all;;
    Go)         cd $lang; make all;;
    Groovy)     cd $lang; make all;;
    Haskel)     cd $lang; make all;;
    Haxe)       cd $lang; make all;;
    Java)       cd $lang; make all;;
    JavaScript) cd $lang; make all;;
    Julia)      cd $lang; make all;;
    Perl)       cd $lang; make all;;
    PHP)        cd $lang; make all;;
    Python)     cd $lang; make all;;
    Raku)       cd $lang; make all;;
    Ruby)       cd $lang; make all;;
    Rust)       cd $lang; make all;;
    Swift)      cd $lang; make all;;

    "")    echo "help: invoke ./run.sh <lang-folder>";;
    *)     echo "unsupported lang $lang";;

esac