22 lines
600 B
Bash
Executable File
22 lines
600 B
Bash
Executable File
#!/bin/sh
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# 2025 dtb. public domain
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directory="$1"
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alias have='command -v >/dev/null 2>&1'
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xml_url_prefix='https://www.youtube.com/feeds/videos.xml?channel_id='
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if test -z "$2"; then
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printf 'Usage: %s directory channel_id...\n' "$0" >&2
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exit 64 # sysexits(3) EX_USAGE
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fi
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while test -n "$2"; do
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if have curl; then curl=curl
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elif have wget; then curl='wget -O -'
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else curl=false
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fi
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filename="$(printf '%s/%s.xml\n' "$directory" "$2")"
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$curl "$xml_url_prefix""$2" >"$filename".new \
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&& mv "$filename".new "$filename" \
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&& printf '%s\n' "$filename" \
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|| rm -f "$filename".new
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shift
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done
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