修改linux文件版本

#!/bin/bash 

ver=`cat gate.rc | grep FILEVERSION`
ver=`echo $ver | awk '{print $2;}'`
ver=`echo $ver |sed 's/\([0-9]*\),\([0-9]*\),\([0-9]*\),\([0-9]*\)/\1 \2 \3 \4/'`

v1=`echo $ver | awk '{print $1}'`
v2=`echo $ver | awk '{print $2}'`
v3=`echo $ver | awk '{print $3}'`
v4=`echo $ver | awk '{print $4}'`

v1=`echo $v1 |awk '{printf("%x",$v1)}'`
v2=`echo $v2 |awk '{printf("%x",$v2)}'`
v3=`echo $v3 |awk '{printf("%x",$v3)}'`
v4=`echo $v4 |awk '{printf("%x",$v4)}'`

echo -e -n "\x$v4\x$v3\x$v2\x$v1">test

dd if=test of=gate seek=5 cbs=1 obs=1 conv=notrunc bs=4
rm test