Batch file rename linux shell5/30/2023 Note: The above command output only displays changes, but in real the changes are not done, unless you run the command without “ -n” switch. :~$ rename -n 's/\.php$/\.html/' *.phpĮntertainment.php renamed as entertainment.html Here, is the example of the command below. The “ -n” parameter will tell you exactly what changes would take place, but the changes are not done for real. While doing critical or major renaming tasks, you can always check the changes by running rename command with “ -n” argument. Check Changes Before Running Rename Command Now you can see above that all the html files are renamed to php. rw-rw-r- 1 ravisaive ravisaive 978137 Oct 10 12:11 sports.php rw-rw-r- 1 ravisaive ravisaive 938937 Oct 10 12:11 photos.php rw-rw-r- 1 ravisaive ravisaive 938895 Oct 10 12:10 news.php rw-rw-r- 1 ravisaive ravisaive 6538895 Oct 10 12:10 lifestyle.php rw-rw-r- 1 ravisaive ravisaive 588895 Oct 10 12:10 entertainment.php rw-rw-r- 1 ravisaive ravisaive 6888896 Oct 10 12:10 cricket.php php” extension, doing ls -l on the prompt. Let’s verify whether all files are renamed to “. Second argument tells the rename command to substitute all the files with *.php.First argument is a perl expression that substitute.Note: In the above command we’ve used two arguments. You can use the following “ rename” command with perl expression as shown below. ![]() Now, you want to change the extension of all these files from “. rw-rw-r- 1 ravisaive ravisaive 978137 Oct 10 12:11 sports.html rw-rw-r- 1 ravisaive ravisaive 938937 Oct 10 12:11 photos.html rw-rw-r- 1 ravisaive ravisaive 938895 Oct 10 12:10 news.html rw-rw-r- 1 ravisaive ravisaive 6538895 Oct 10 12:10 lifestyle.html rw-rw-r- 1 ravisaive ravisaive 6188895 Oct 10 12:10 health.html rw-rw-r- 1 ravisaive ravisaive 588895 Oct 10 12:10 entertainment.html rw-rw-r- 1 ravisaive ravisaive 6888896 Oct 10 12:10 cricket.html For example, first do a “ ls -l” to check the list of files with “. html” extension and you want to rename all “.
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