azlyrics-fetch/azlyrics.sh
Jaidyn Ann ab87df6086 Init
2020-12-15 12:27:04 -06:00

81 lines
1.8 KiB
Bash
Executable File

#!/bin/sh
# --------------------------------------
# name: azlyric.sh
# lisc: CC0
# date: 2020
# desc: fetches lyrics from artist/song
# azlyrics URL
# --------------------------------------
USER_AGENT="Mozilla/5.0 (Linux; Android 8.1.0) AppleWebKit/537.36 (KHTML, like"
USER_AGENT="${USER_AGENT} Gecko) Chrome/67.0.3396.68 Mobile Safari/537.36"
function fetch {
local url="$1"
curl -s --user-agent "$USER_AGENT" "$url"
}
# ======================================
# ARTIST
# ======================================
function is_artist_url {
local url="$1"
test -n "$(echo "$url" | awk -F '/' '{print $5}')" \
-a -z "$(echo "$url" | awk -F '/' '{print $6}')"
return "$?"
}
function artist_song_urls {
grep "../lyrics/" \
| sed 's%.*href="..%%' \
| sed 's%".*%%' \
| sed 's%^%https://www.azlyrics.com%'
}
# ======================================
# SONG
# ======================================
function is_song_url {
local url="$1"
test -n "$(echo "$url" | awk -F '/' '{print $6}')"
return "$?"
}
function song_lyrics {
sed '1,/Sorry about that/d' \
| sed '1,/<\/div>/!d' \
| sed 's%<br>%%' \
| sed 's%<.*>%%' \
| awk 'BEGIN { print "<pre>" } END { print "</pre>"} {print $0}' \
| lynx -stdin -dump
}
# ======================================
# INVOCATION
# ======================================
function usage {
echo 'usage: azlyric.sh URL ... URL'
echo
echo 'If a URL is of an artist (e.g., https://www.azlyrics.com/X/X.*.html),'
echo 'then the URLs of each song page will be printed.'
echo
echo 'If a URL is of a song (e.g., https://www.azlyrics.com/lyrics/X/Y.html),'
echo 'then the lyrics will be printed.'
exit 2
}
if test -z "$1"; then usage; fi
for url in $@; do
if is_artist_url "$url"; then
fetch "$url" \
| artist_song_urls
elif is_song_url "$url"; then
fetch "$url" \
| song_lyrics
else
echo "Invalid URL: $url"
usage
fi
done