#!/bin/sh

ENV_awk=awk
ENV_sort=sort
ENV_uniq=uniq

find_all_executables() {
    {
        IFS=:; for d in $PATH; do for f in $d/*; do [ -f $f ] && [ -x $f ] && echo ${f##*/}; done; done;
    } | $ENV_sort | $ENV_uniq
}

if [[ -z "$@" ]]; then
    echo "^run [a-zA-Z0-9_-]*$"
elif [[ "$1" == "--hint" ]]; then
    find_all_executables | $ENV_awk '{print $1 " run " $1}'
elif [[ "$1" == "--complete" ]]; then
    shift
    find_all_executables | $ENV_awk '{print $1 " run " $1}'
elif [[ "$1" == "--preview" ]]; then
    shift
    echo "Will run $1"
elif [[ "$1" == "--run" ]]; then
    shift
    (nohup "$1" 2>/dev/null &)
    sleep 0.01
fi