#!/bin/bash
#remaster lib
[ -d "<LIBDIR>" ] || { echo "LIBDIR not exist"; exit 1; }

#check_config [log_file]
function check_config() {

    #LOG
    {
      log_file=$1
      [ -z "$log_file" ] && log_file="/tmp/remaster_`date '+%Y-%m-%d'`"

      if [ -f "$log_file" ]; then
        echo > "$log_file"
      else
        #check if folder exist
        [ -d "${log_file%/*}" ] || {
            # N-> exit 3
            echo "Directory for Log didnt exist"
            exit 3
        }
        #create LOG
        touch "$log_file"
      fi
    }


}

#this func is standalone executable
[ -n "$1" ] && {
    check_config $@
}