Shell Snippets: assorted helpful snippets (sh/zsh/bash)

_shell_snippets.md

Shell Snippets

Assorted helpful snippets for use in your shell.

• m3u8-to-mp4.sh
• spaces-to-underscores.sh

m3u8-to-mp4.sh

#!/usr/bin/env sh
# @description convert .m3u8 file to .mp4

ffmpeg -i "https://website.com/path/to/file.m3u8" \
  -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 file.mp4

spaces-to-underscores.sh

#!/usr/bin/env sh
# @desc replaces all occurances of " " in a filename with "_"
# @author enzotib (https://unix.stackexchange.com/users/6539/enzotib)
# @see https://unix.stackexchange.com/a/19059/215916

find /search/path -depth -name '* *' \
    -execdir bash -c 'mv -- "$1" "${1// /_}"' bash {} \;