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39 lines
949 B
Bash
39 lines
949 B
Bash
#!/bin/bash
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set -e
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#
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# this script compresses everything in $source and saves it in $destination
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#
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source="$HOME/kskcloud/Musik/"
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tmp="$HOME/Musik.tiny/"
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destination="$HOME/kskcloud/Musik.tiny/"
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placeholder="$destination/a"
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rm -rf "$tmp"
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mkdir "$tmp"
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mkdir -p "$destination"
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# create a placeholder to prevent * from failing
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touch "$placeholder"
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# copy original target files and existing files as cache
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echo 'copying . . .'
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cp -a --reflink=always "$source/"* "$destination/"* "$tmp"
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# compress with opus; +e because ffmpeg errors on .jpg, .txt, etc.
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echo 'compressing . . .'
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set +e
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find "$tmp" -type f -not -name '*.opus' | parallel --eta --progress 'ffmpeg -v 0 -n -i ""{}"" -c:a libopus -map_metadata 0 -b:a 128k ""{.}.opus""'
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set -e
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# delete all non-opus files
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echo 'deleting . . .'
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find "$tmp" -type f -not -name '*.opus' -delete
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# copy compressed files to target destination
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cp -a --reflink=always "$tmp/"* "$destination"
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rm -r "$tmp"
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