使用awk

#!/bin/sh
CONFIGVALUE=""

getConfigInfo()
{
        HEAD=$1
        NAME=$2

        echo "in getConfigInfo(): $HEAD, $NAME"

        echo "grep -n $HEAD config  | awk -F: '{print /$1}'" > temp.cmd
        LINENUM=`./temp.cmd`

        echo "awk 'NR>$LINENUM {print /$0}' config | awk -F= '/$0~/$NAME/ {print /$2}'" > temp.cmd
        CONFIGVALUE=`./temp.cmd`
}

echo "">temp.cmd
chmod u+x temp.cmd

LINENUM=`grep -n cashsrm keytool | awk -F: '{print $1}'`
echo "awk 'NR > $LINENUM  {print /$0}' keytool |  awk '/$1~/*$/ {print NR}'" > temp.cmd

LINENUM1=`./temp.cmd`; LINENUM1=`echo $LINENUM1 | awk '{print $1}'`
echo "awk 'NR > $LINENUM {print /$0}' keytool | awk 'NR < $LINENUM1 {print /$0}'" > temp.cmd

./temp.cmd > keystore_status

getConfigInfo MT202 FILENAME

echo $CONFIGVALUE