比如当前目录存在两个*.php5文件:
$ ll
total 8
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 07:58 islab.php5
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 08:10 zhaoke.php5
首先找到当前目录的islab.php5文件, 然后拷贝islab.php5, ‘basename islab.php5 .php5′ .php
basename将返回”islab”字符, 然后增加.php到islab后面, 最后你得到islab.php文件.
shell命令运行后的当前目录:
$ for old in *.php5; do cp $old `basename $old .php5`.php; done
$ ll
total 16
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 08:39 islab.php
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 07:58 islab.php5
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 08:39 zhaoke.php
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 08:10 zhaoke.php5
你也可以修改shell命令中的cp为mv:
$ for old in *.php5; do mv $old `basename $old .php5`.php; done
$ ll
total 8
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 07:58 islab.php
-rw-rw-r– 1 zhaoke zhaoke 3 Aug 20 08:10 zhaoke.php
方法二
$ rename .php5 .php *.php5
方法三
for x in *.php5; do n=${x/.php5/.php}; mv $x $n; done
方法四
for a in *php5 ; do mv $a ${a%%5} ; done
方法五
for a in *.php5; do t=`echo $a | sed ’s/.php5$/.php/’`; mv $a $t; done
实例二: 把当前目录下所有文件及目录名中的大写字符改为小写符号
方法一:
1. 创建一个ucase脚本, 内容如下:
#!/bin/bash
# All names are converted to lower-case before matching
# [A-Z]* matches upper case names
for i in [A-Z]* ; do
j=`echo $i | tr ‘[A-Z]’ ‘[a-z]’`
mv $i $j
done