blob: 830abc87c2846644495952e43c99e93f9aadd786 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#! /usr/bin/env sh
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
main()
{
# Handle opts
opts "$@"
shift "$OPTS"
unset OPTS
# Show help
[ "$OPT_HELP_ONLY" ] && usage && exit 0
for url in $@
do
curl -s "$url" \
| grep -Eo 'https://www.youtube.com/feeds/videos.xml?[^"]+' \
| head -n1
done
# An alternate solution to grep -E
# perl -n -e 'm@(https://www.youtube.com/feeds/videos.xml\?[^"]+)@ and print "$1\n"'
}
opts()
{
OPTS=0
while getopts ":h" opt
do
case "$opt" in
h) OPT_HELP_ONLY=1 ;;
*)
printf "Invalid option passed: %s\n" "$OPTARG" >&2
;;
esac
done
unset opt
}
usage()
{
cat <<EOF
Usage:
$(basename "$0") -h
$(basename "$0") <url> [ <urls> ... ]
Get the RSS feed URL of a YouTube channel through the channel's page URL.
Options:
-h Show this help text and exit.
EOF
}
main "$@"
|