gistfile1.txt

#!/bin/bash

case $1 in
    m)  LISTGEN="mpc search any";
        HANDLER="mpc insert";
        ;;
    f)  LISTGEN="find ~/* -iname \*\"\$QUERY\"\*";
        HANDLER="exo-open";
        ;;
esac

until [[ $QUERY_RESULT != "" ]]; do
    read QUERY
    if [[ $QUERY == "" ]]
        then exit
    fi

    QUERY_RESULT=$($LISTGEN "$QUERY" 2>/dev/null)
done

echo "$QUERY_RESULT" | cat -n
read QUERY_CHOICE
$HANDLER "$(echo "$QUERY_RESULT" | awk NR==$QUERY_CHOICE)"