〖Linux〗使用sed命令修改小端(little endian)存储的数据

 #!/bin/bash -
 #===============================================================================
 #
 #          FILE: hex_change.sh
 #
 #         USAGE: ./hex_change.sh
 #
 #   DESCRIPTION:
 #
 #       OPTIONS: ---
 #  REQUIREMENTS: ---
 #          BUGS: ---
 #         NOTES: ---
 #        AUTHOR: linkscue (scue), linkscue@gmail.com
 #  ORGANIZATION:
 #       CREATED: 2014年08月07日 00时05分55秒 CST
 #      REVISION:  ---
 #===============================================================================

 # hex_change 修改二进制文件
 # 语法：hex_change 00ABCDEF 00ABCDEF file
 #       hex_change [0x]00ABCDEF [0x]00ABCDEF file
 hex_change(){
     local hex=${#0x}
     local hexnew=${#0x}
     local bin=$
     hex=$(echo $hex|tr a-z A-Z)                 # 小写转大写
     hexnew=$(echo $hexnew|tr a-z A-Z)           # 小写转大写
     echo "convert hex: 0x$hex 0x$hexnew"
     p1="\x${hex:6:2}"
     p2="\x${hex:4:2}"
     p3="\x${hex:2:2}"
     p4="\x${hex:0:2}"
     pn1="\x${hexnew:6:2}"
     pn2="\x${hexnew:4:2}"
     pn3="\x${hexnew:2:2}"
     pn4="\x${hexnew:0:2}"
     echo sed -i "s/$p1$p2$p3$p4/$pn1$pn2$pn3$pn4/g" $bin
     sed -i "s/$p1$p2$p3$p4/$pn1$pn2$pn3$pn4/g" $bin
 }

 hex_change ABCDEF55 DDCCBBAA ./.bin