chore(user/split_audiobook.sh):Add version number
[BK-2020-03.git] / unitproc / bkt-checkURL
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1#!/bin/bash
2
3checkURL() {
4 # Desc: Checks if string is a valid URL.
5 # Warning: Does not correctly handle multi-byte characters.
508c8c87 6 # Version: 0.0.2
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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\+&@#/%=~_|]'
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13 arg1="$1";
14 if [[ $arg1 =~ $regex ]]; then
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15 return 0;
16 else
508c8c87 17 return 1;
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18 fi;
19}
20
21#==BEGIN sample code
22testString="https://google.com/security.main.html"
23if checkURL "$testString"; then echo "Is a valid URL:$testString"; else echo "Is NOT a valid URL:$testString"; fi;
24testString="ssh://username@host.xz/absolute/path/to/repo.git/"
25if checkURL "$testString"; then echo "Is a valid URL:$testString"; else echo "Is NOT a valid URL:$testString"; fi;
26#==END sample code