bin/yt: Add working utility

1 files changed, 110 insertions, 0 deletions

diff --git a/bin/yt b/bin/yt
new file mode 100755
index 0000000..ddcc02d
--- /dev/null
+++ b/bin/yt
@@ -0,0 +1,110 @@
+#!/bin/sh
+set -eu
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  yt [-f] [-n PLAYLIST_COUNT] [URL...|FILE...|-]
+		  yt -h
+	EOF
+}
+
+help() {
+	cat <<-'EOF'
+
+		Options:
+		  -n PLAYLIST_COUNT    the number of videos to grab from a
+		                       playlist (default: 15)
+		  -f                   force to download a video already in the
+		                       archive
+		  -h, --help           show this message
+
+		  URL                  an 'https://...' address
+		  FILE                 a file with 'https://...' addresses, one
+		                       per line
+
+		Download videos and store them locally.
+
+
+		Examples:
+
+		  Download the video from the given URL:
+
+		    $ yt https://www.youtube.com/watch?v=EihZv2XgJdU
+
+
+		  Force re-download the latest 5 videos already downloaded:
+
+		    $ yt -nf5 https://www.youtube.com/watch?list=TLPQMTIwODIwMjLnL2XjyRRgSw
+	EOF
+}
+
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+PLAYLIST_COUNT=15
+while getopts 'fn:h' flag; do
+	case "$flag" in
+		f)
+			FORCE=1
+			;;
+		n)
+			PLAYLIST_COUNT="$OPTARG"
+			;;
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+set -x
+
+if [ -z "${1:-}" ]; then
+	echo 'Missing URL|FILE argument' >&2
+	usage >&2
+	exit 2
+fi
+
+
+if [ ! -e "$1" ]; then
+	F="$(mkstemp)"
+	printf '%s\n' "$1" > "$F"
+else
+	F="$1"
+fi
+
+
+YT_TEMPLATE="$HOME/Downloads/yt-dl/%(uploader)s/%(upload_date)s %(title)s.%(ext)s"
+
+EXTRA_OPTIONS=''
+if [ -z "${FORCE:-}" ]; then
+	EXTRA_OPTIONS="--download-archive $HOME/Downloads/yt-dl/seen.txt"
+fi
+
+youtube-dl \
+	--batch-file "$F"                \
+	--format best                    \
+	--prefer-free-formats            \
+	--playlist-end "$PLAYLIST_COUNT" \
+	--write-description              \
+	--output "$YT_TEMPLATE"          \
+	$EXTRA_OPTIONS