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- #!/usr/bin/env bash
- set -euo pipefail # bash strict mode
- # The PhotoRec may be useful in your case:
- # https://www.cgsecurity.org/wiki/PhotoRec
- # https://www.cgsecurity.org/wiki/TestDisk
- # Regarding audio files, this is what I would do: Install mplayer (if you don't have it already). It can play most of the A/V formats. If the file is broken, an attempt to play it will produce exit code > 0.
- # An example (quick and dirty) approach:
- # Run the following one-liner (the example is for .mp3, you can easily modify it for .wav or other formats if you need.
- rm ~/bad.lst
- find "$PWD" -iname '*.mp3' | while read f; do echo "mplayer -frames 20 ${f} || echo ${f} >> ~/bad.lst" >> check.sh ; done
- # I used -frames 20 option in order to let mplayer to play just a little bit of each file.
- # Run the check.sh produced in the previous step:
- # sh ./check.sh
- # In the bad.lst there will be a list of 'non-playable' files. You can dispose them with another one-liner:
- # cat bad.lst | while read f; do mv "${f}" /path/to/wastebin ; done
- # or
- # cat bad.lst | while read f; do rm "${f}"; done
- # Good luck!
- # Addendum / Errata
- # The corrected version of one-liner from point 1., which will handle complex file names, goes like this:
- # find <your_recovery_drive_mount_point> -iname '*.mp3' | while read f; do echo "mplayer -ss 10 -endpos 1 '${f}' | grep -iq failed && echo '${f}' >> bad.lst" >> check.sh ; done
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