linux读properties文件

function read_file{if [ $# -ne 2 ];thenecho "you must put one parmes"exit 1fitypeset file=$1   typeset key=$2       value=`awk -F= -v k=${key} '{ if ( $1 == k ) print $2; }' $file`    if [ $? -ne 0 ];thenecho " para config.properties file failed"               exit 1    else        if [ "x${value}" = "x" ];then            exit 1        fifi      RETURN[0]=$value   return 0}