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If you've got a large folder of .flv files (lets say you've ripped them from youtube) and you want to put them on a music player, you can use this script.

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First make a file called convert.sh.

vim convert.sh

Then paste the following in it:

#!/bin/bash
for f in *.flv; do
    echo "Converting $f"
    ffmpeg -i "$f" "${f%.flv}.mp3"
done

Save, and make it executable:

chmod +x ./convert.sh

Now copy all your FLV's in that folder, and then open a terminal there:

./convert.sh

Then, when finished remove all the flv's you copied:

rm ./*.flv

Now you have a folder full of mp3's instead of .flv's.

Tags: bash , flv , loop , mp3 , snippets