feat(user/rand_media_pl.sh):Script to play random position of media
[BK-2020-03.git] / unitproc / bkt-checkURL
1 #!/bin/bash
2
3 checkURL() {
4 # Desc: Checks if string is a valid URL.
5 # Warning: Does not correctly handle multi-byte characters.
6 # Version: 0.0.2
7 # Input: arg1: string
8 # Output: return code 0: string is a valid URL
9 # return code 1: string is NOT a valid URL
10 # Depends: Bash 5.0.3
11 # Ref/Attrib: https://stackoverflow.com/a/3184819
12 regex='(https?|ftp|file|ssh|git)://[-A-Za-z0-9\+&@#/%?=~_|!:,.;]*[-A-Za-z0-9\+&@#/%=~_|]'
13 arg1="$1";
14 if [[ $arg1 =~ $regex ]]; then
15 return 0;
16 else
17 return 1;
18 fi;
19 }
20
21 #==BEGIN sample code
22 testString="https://google.com/security.main.html"
23 if checkURL "$testString"; then echo "Is a valid URL:$testString"; else echo "Is NOT a valid URL:$testString"; fi;
24 testString="ssh://username@host.xz/absolute/path/to/repo.git/"
25 if checkURL "$testString"; then echo "Is a valid URL:$testString"; else echo "Is NOT a valid URL:$testString"; fi;
26 #==END sample code