Notes From James
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Bulk file renaming in Linux   James - 

I wanted to rename a bunch of files in Linux (m4v to mp4), but couldn't find any tools that I really liked, or understood. So, I wrote a quick script to rename files recursively. Here is the script:


find * | gawk -f ren_mp4.awk > runme
./runme

If you want to test it out, comment out or delete the './runme' line. The ren_mp4.awk file is:


/m4v/ { name = $0; 
        newname = $0; 
        gsub( "m4v", "mp4", newname );
        cmd = "mv '" name "' '" newname "'";
        print cmd }
Not terribly beautiful, but understandable. The 'gsub' command replaces occurrences of 'm4v' with 'mp4'.



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