I get a directory like following:
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| .
├── S01
│ ├── TBBTS01E01.mp4
│ ├── TBBTS01E01.mp4
│ ├── TBBTS01E01.mp4
│ ...
├── S02
│ ├── TBBTS02E01.mp4
│ ├── TBBTS02E02.mp4
│ ├── TBBTS02E03.mp4
│ ...
├── S03
│ ├── TBBTS03E01.mp4
│ ├── TBBTS03E02.mp4
│ ├── TBBTS03E03.mp4
│ ...
├── S04
│ ├── TBBTS04E01.mp4
│ ├── TBBTS04E02.mp4
│ ├── TBBTS04E03.mp4
│ ...
├── S05
│ ├── TBBTS05E01.mp4
│ ├── TBBTS05E02.mp4
│ ├── TBBTS05E03.mp4
│ ├── TBBTS05E04.mp4
│ ...
└── S06
├── TBBTS06E01.mp4
├── TBBTS06E02.mp4
├── TBBTS06E03.mp4
...
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I want to transform all mp4 files to mp3 and move them to a new directory called mp3 in current directory.
here is the command:
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| find . -name "*.mp4" -type f -print | parallel -j20 "ffmpeg -i {} ./mp3/{/.}.mp3"
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where {/.} represents a clear file name that stripped extension name and path