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#!/bin/sh
#{{{ printhelp
printhelp () {
printf "amg: Auto Music Grabber; script to download, format, and tag music.\n"
printf " -h) prints this help message.\n"
printf " -u X) uses X for the URL to download from.\n"
printf " -s) processes the url as a single track as a single song.\n"
printf " -l) processes the url as a single track as an album.\n"
printf " -p) processes the yrk as a playlist as an album.\n"
printf " -a X) sets the artist name to X.\n"
printf " -A X) sets the album name to X.\n"
printf " -t X) sets the track name to X (only for a single song).\n"
printf " -T X) sets the track number to X (only for a single song).\n"
printf " -y X) sets the date to X.\n"
exit
}
#}}}
#{{{ getopts
unset ALBUM ARTIST MODE TITLE TRACKNUM YEAR
while getopts "hslpu:a:A:t:T:y:" arg; do case "${arg}" in
s) MODE='single' ;;
l) MODE='split' ;;
p) MODE='album' ;;
u) URL="$OPTARG" ;;
a) ARTIST="$OPTARG" ;;
A) ALBUM="$OPTARG" ;;
t) TITLE="$OPTARG" ;;
T) TRACKNUM="$OPTARG" ;;
y) YEAR="$OPTARG" ;;
*) printhelp ;;
esac done
#}}}
#{{{ print given args
printf "Received Tags:
Artist: $ARTIST
Album: $ALBUM
Song: $TITLE
Number: $TRACKNUM
Year: $YEAR\n\n"
#}}}
#{{{ fill in missing variables
# prompt to determine later tagging
if [ -z "$MODE" ]; then
printf "Will the link be for a [p]laylist, a[l]bum video, or [s]ong video? "
read RESPONSE
case "$RESPONSE" in
p) MODE='album' ;;
l) MODE='split' ;;
s) MODE='single' ;;
*) printhelp ;;
esac
printf "\n"
fi
# prompt to get the URL
if [ -z "$URL" ]; then
printf "Enter the link: "
read URL
printf "\n"
fi
#}}}
#{{{ base logic for certain modes
# if song, don't download playlist
case "$MODE" in
s)
SPLITTER_FLAGS="--no-playlist"
;;
l)
SPLITTER_FLAGS="--no-playlist"
unset TITLE TRACKNUM
;;
p)
unset TITLE TRACKNUM
;;
esac
#}}}
#{{{ download the video(s)
printf "Starting download...\n\n"
if [ "$(ls | wc -l)" -gt 0 ]; then
printf "Already downloaded\n"
else
yt-dlp $SPLITTER_FLAGS --format bestaudio --restrict-filenames "$URL"
fi
printf "Download stopped.\n\n"
#}}}
#{{{ while loop to remove files from list
printf "\n\nDo you want to remove any tracks?\n\n"
while true; do
ls | nl
echo -n "Enter the line number of the file to remove:\n"
read WHILE_RESPONSE
[ -z "$WHILE_RESPONSE" ] && break
rm -rf `ls | head -n "$WHILE_RESPONSE" | tail -1`
done
#}}}
#{{{ convert the downloaded files to mp3
printf "\n\nStarting to convert files..."
for i in `ls *.m4a *.webm`; do
imp3=`echo "$i" | sed 's/\.m4a$/.mp3/;s/\.webm$/.mp3/'`
[ ! -f "$imp3" ] && ffmpeg -i "$i" -acodec mp3 "$imp3" || echo "File not converted"
done
printf "Finished converting files.\n\n"
#}}}
#{{{ tag files
printf "\n\n"
for file in `ls *.mp3`; do
printf "$file\n"
if [ -z "$ARTIST" ]; then
printf "\nWho is the artist? "
read ARTIST
fi
if [ -z "$ALBUM" ]; then
printf "\nWhat is the album? "
read ALBUM
fi
if [ -z "$TITLE" ]; then
printf "\nWhat is the title? "
read TITLE
fi
if [ -z "$TRACKNUM" ]; then
printf "\nWhat is the track number? "
read TRACKNUM_
TRACKNUM="$(printf "%02d" "$TRACKNUM_")"
unset TRACKNUM_
fi
if [ -z "$YEAR" ]; then
printf "\nWhat is the release date? "
read YEAR
fi
case "$TRACKNUM" in
[!0-9]*)
unset TRACKNUM
printf "\n$TRACKNUM doesn't look like a track number!\n" 1>&2
;;
esac
FMT_ARTIST="$(echo "$ARTIST" | sed "s/[^[:alnum:].-]/_/g")"
FMT_ALBUM="$(echo "$ALBUM" | sed "s/[^[:alnum:].-]/_/g")"
FMT_TITLE="$(echo "$TITLE" | sed "s/[^[:alnum:].-]/_/g")"
[ -n "$ARTIST" ] && kid3-cli -c "set \"Artist\" \"$ARTIST\"" "$file"
[ -n "$ALBUM" ] && kid3-cli -c "set \"Album\" \"$ALBUM\"" "$file"
[ -n "$TITLE" ] && kid3-cli -c "set \"Title\" \"$TITLE\"" "$file"
[ -n "$TRACKNUM" ] && kid3-cli -c "set \"Track Number\" \"$TRACKNUM\"" "$file"
[ -n "$YEAR" ] && kid3-cli -c "set \"Date\" \"$YEAR\"" "$file"
printf "\n\n$file\n"
kid3-cli -c get "$file"
NEWFILENAME="${FMT_ARTIST}_-_${FMT_ALBUM}_-_${TRACKNUM:-00}_${FMT_TITLE}.mp3"
#NEWFILENAME="$(printf "%s" "$NEWFILENAME" | sed 's/ /_/g;s/[!@#$%^&*()-_=+{}\|;:,.<>/?`~'"\[\]\'\""']//g')"
[ -n "${ARTIST}" -a -n "${ALBUM}" -a -n "${TITLE}" ] && mv "$file" "$NEWFILENAME"
unset TITLE TRACKNUM
printf "$NEWFILENAME\n\n\n"
done
printf "\n\nDone.\n"
#}}}
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