How to modify file names in batches by bash
This article will explain in detail how bash modifies file names in batches. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.
I. add a suffix
1. Question: there are a large number of date-named files in the same directory, some of which have suffixes and some end with dots, such as 20020101. , 20020101.tdbell 20020102.td.
Requirement: add a suffix to everything that ends with a dot. Ts
My method:
The code is as follows:
#! / bin/bash
For files in `ls * .`
Do
Mv $files `echo "$filests" `
Done
two。 Same as above
Mv $files ${files} ts
3. Same as above
Mv $files `$files.ts | sed's /\. / /'`
4. File = > file.txt
Mv $files $files.txt
5. * .04 = > * 04.txt
Mv $files $(echo ${files} .txt | sed's /\. / / 1')
Or
Mv $files `echo ${files} .txt | sed's /\. / / 1' `
Second, change the suffix (.old = > .new)
The code is as follows:
1. Rename
Rename .old .new *
two。
Mv $files ${file%.old} .new
3.
Mv $files `echo $files | tr .old .new`
4.
Mv $files `echo $files | sed's /\ .old /\ .new /'`
Remove the suffix (* .dat = > *)
The code is as follows:
1. Mv $files `echo $files | sed's /\ .dat / /'`
2. Mv $files `echo $files | tr .dat (4 spaces) `
4. Change the prefix (re* = > un*)
The code is as follows:
1. Mv $files un$ {$files#re}
2. Mv $files `echo $files | tr re un`
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