#!/bin/sh data="$(sed 's/\(.\) /\1\1/g' | sed 's/\./ /g' | sed 's/O/#/g' | sed 's/ \+$//g')" while [ $(echo "${data}" | grep -v '^ ' | grep -v '^$' | wc -l) = 0 ]; do data="$(echo "${data}" | sed 's/^ //')" done while [ "$(echo "${data}" | sed 1q)" = "" ]; do data="$(echo "${data}" | sed 1d)" done echo "${data}"