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note: bash cheat sheet commentaires multilignes
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---
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title: Antisèche bash
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date: 2026-06-27T10:22:42
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description: Référence rapide des choses que j’oublie quand j’utilise bash
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tags:
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- Cheat-sheet
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- Zsh
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- Bash
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permalink: cheat-sheets/bash/
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---
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## Commentaires sur multiligne
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On peut mettre des commentaires sur des commandes bash multilignes en
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utilisant la substitution de commandes.
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```bash
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# Converts video to mp3
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ffmpeg \
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-i "$1" \
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-vn `# discard video` \
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-ar 44100 `# audio sampling frequency 44100 Hz` \
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-ac 2 `# 2 audio channels` \
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-b:a 192k `# audio bitrate 192k` \
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"$1.mp3"
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```

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