SYNOPSIS
rename from to file .
from表示需要替换或处理的字符，如文件扩展名和文件名。
to表示from处理后的结果。
file表示目标文件。
[ [电子邮件保护] tmp ] # ls
hello _ 10 _ 2016-03-17.log hello _4_ 2016-03-17.log hello _8_ 2016-03-17.log
hello _1_ 2016-03-17.log hello _5_ 2016-03-17.log hello _9_ 2016-03-17.log
hello _2_ 2016-03-17.log hello _6_ 2016-03-17.log
hello _3_ 2016-03-17.log hello _7_ 2016-03-17.log
[ [电子邮件保护] tmp ] # rename '.log '.jpg ' *
[ [电子邮件保护] tmp ] # ls
hello _ 10 _ 2016-03-17.jpg hello _4_ 2016-03-17.jpg hello _8_ 2016-03-17.jpg
hello _1_ 2016-03-17.jpg hello _5_ 2016-03-17.jpg hello _9_ 2016-03-17.jpg
hello _2_ 2016-03-17.jpg hello _6_ 2016-03-17.jpg
hello _3_ 2016-03-17.jpg hello _7_ 2016-03-17.jpg
使用sed:
[ [电子邮件保护] tmp ] # ls|sed-NR ' s # (^.* [0-9].).* ) #mv(1log#gp ) ]
mv hello _ 10 _ 2016-03-17.jpg hello _ 10 _ 2016-03-17.log
mv hello _1_ 2016-03-17.jpg hello _1_ 2016-03-17.log
mv hello _2_ 2016-03-17.jpg hello _2_ 2016-03-17.log
mv hello _3_ 2016-03-17.jpg hello _3_ 2016-03-17.log
mv hello _4_ 2016-03-17.jpg hello _4_ 2016-03-17.log
mv hello _5_ 2016-03-17.jpg hello _5_ 2016-03-17.log
mv hello _6_ 2016-03-17.jpg hello _6_ 2016-03-17.log
mv hello _7_ 2016-03-17.jpg hello _7_ 2016-03-17.log
mv hello _8_ 2016-03-17.jpg hello _8_ 2016-03-17.log
mv hello _9_ 2016-03-17.jpg hello _9_ 2016-03-17.log
[ [电子邮件保护] tmp ] # ls|sed-NR ' s # (^.* [0-9].).* ) #mv(1log#gp'|bash
[ [电子邮件保护] tmp ] # ls
hello _ 10 _ 2016-03-17.log hello _4_ 2016-03-17.log hello _8_ 2016-03-17.log
hello _1_ 2016-03-17.log hello _5_ 2016-03-17.log hello _9_ 2016-03-17.log
hello _2_ 2016-03-17.log hello _6_ 2016-03-17.log
hello _3_ 2016-03-17.log hello _7_ 2016-03-17.log
3 .使用for替换字符串
[ [电子邮件保护] tmp ] # vim rename.sh
#！ /bin/bash
#This script is use to rename files
for name in `ls *.log `；
德奥
echo 'mv $name ${name/.log/.txt} '
道恩
[ [电子邮件保护] tmp ] #./rename.sh|bash
[ [电子邮件保护] tmp ] # ls
hello _ 10 _ 2016-03-17.txt hello _4_ 2016-03-17.txt hello _8_ 2016-03-17.txt
hello _1_ 2016-03-17.txt hello _5_ 2016-03-17.txt hello _9_ 2016-03-17.txt
hello _2_ 2016-03-17.txt hello _6_ 2016-03-17.txt rename.sh
hello _3_ 2016-03-17.txt hello _7_ 2016-03-17.txt