shell convenient alias/function for #erlang

erlang-alias-functions-for-shell.sh

# Run erlang MFA(Module-Function-Args) conveniently, like
# erun fac1 main 25 # example from book programming erlang.
erun() {
    if [ $# -lt 2 ]; then
        echo "Error: at least 2 args!"
        return 1
    fi
    erl -s "$@" -s init stop -noshell
}

# Run erlang one-line script conveniently, like
# erline 'io:format("Hello world~n").'
erline() {
    if [ $# -ne 1 ]; then
        echo "Error: Only need 1 arg!"
        return 1
    fi
    erl -eval "$1" -s init stop -noshell
}