28 lines
641 B
Bash
28 lines
641 B
Bash
#!/bin/bash
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# set shopt-options used by this shell-script
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# Note, 0 (true) from shopt -q is "false" in a math context.
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shopt -q globstar; globstar_set=$?
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((globstar_set)) && shopt -s globstar
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shopt -q extglob; extglob_set=$?
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((extglob_set)) && shopt -s extglob
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# return default shopt-options
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function finish {
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((globstar_set)) && shopt -u globstar
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((extglob_set)) && shopt -u extglob
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}
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trap finish EXIT
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# setting default extension to all
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if [ $# -eq 0 ]; then
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extension="*"
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else
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extension=$@
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fi
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for file in **/*.@(${extension// /|}); do
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ffmpeg -threads 4 -i $file -c:a libopus -b:a 128k "${file%.*}.opus" && rm "$file"
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done
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exit 0
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