Backing Up a Specific Filetype with Tar

To backup a specific filetype, e.g. all PHP files in the current directory and all subdirectories beneath it, you can use the following command:

tar -cvf example.tar $(find . -name "*.php")

The find command will find all of the PHP files and pass them to the tar command. You can see that all of the PHP files are in the tar backup file, example.tar with the command below:

tar -tvf example.tar

You can add HTML files to the backup using the -u option for tar to update the archive file as below:

tar -uvf example.tar $(find . -name "*.html")

References:

1. tar find ssh
   May 2004
   Computing.Net

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