#!/bin/sh FILE_NAME=$1 TMP_FILE=`mktemp` if [ -z "$1" ] then echo "error!" exit 2 fi cp $FILE_NAME $TMP_FILE awk 'BEGIN { exist=0; } { if ($0 ~ "com.samsung.wmanager.WATCH_APP") exist=1; if ($0 ~ "" && !exist) { print "" print exist=0; } else { print } }' $TMP_FILE > $FILE_NAME rm $TMP_FILE -f