<zgrep> newcmd trueif = if [ -z "$1" ];then exec echo "Please give me something to check.";fi;if [ $1 ];then echo "True.";else echo "False.";fi

#!/bin/bash
. lib/interp
cd interps/bf_txtgen

get_arg
java textgen -g 1000 -i "$ARG_FILE" | tail -n 2 | head -n 1
clean_arg