ファイル名と拡張子の一括変更
3668 ワード
1.
${var} var , $var
${var-DEFAULT} var , $DEFAULT *
${var:-DEFAULT} var , , $DEFAULT *
${var=DEFAULT} var , $DEFAULT *
${var:=DEFAULT} var , , $DEFAULT *
${var+OTHER} var , $OTHER, null
${var:+OTHER} var , $OTHER, null
${var?ERR_MSG} var , $ERR_MSG *
${var:?ERR_MSG} var , $ERR_MSG *
${!varprefix*} varprefix
${!varprefix@} varprefix
#!/bin/bash
#
#
# path
path = /data/back/
# path tar.gz
find $path -name "*.tar.gz" -type f |xagrs rm -f
#
find ${path:=/data/back/} -name "*.tar.gz" -type f |xagrs rm -f
# path , , =
#
2.
${#string} $string
${string:position} $string , $position
${string:position:length} $string , $position $length
${string#substring} $string , $substring
${string##substring} $string , $substring
${string%substring} $string , $substring
${string%%substring} $string , $substring
${string/substring/replacement} $replacement, $substring
${string//substring/replacement} $replacement, $substring
${string/#substring/replacement} $string $substring, $replacement $substring
${string/%substring/replacement} $string $substring, $replacement $substring
-rw-r--r-- 1 root root 0 Dec 1 00:10 eddy_10299_1_finished.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:10 eddy_10299_2_finished.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:10 eddy_10299_3_finished.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:10 eddy_10299_4_finished.jpg
#!/bin/bash
# author:eddy date:2015-11-30
# rename file
# v1.0
for i in `ls temp/*.jpg`
do
mv $i `echo ${i%_finished*}.jpg`
done
linux rename
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_10.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_1.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_2.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_3.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_4.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_5.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_6.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_7.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_8.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 eddy_9.txt
[root@eddy temp]# rename "eddy" "yys" eddy_*
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_10.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_1.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_2.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_3.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_4.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_5.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_6.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_7.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_8.txt
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_9.txt
rename
[root@eddy temp]# rename "txt" "jpg" yys_*
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_10.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_1.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_2.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_3.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_4.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_5.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_6.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_7.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_8.jpg
-rw-r--r-- 1 root root 0 Dec 1 00:33 yys_9.jpg