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a9a36cc4 SBS |
1 | #!/usr/bin/env bash |
2 | ||
3 | yell() { echo "$0: $*" >&2; } # print script path and all args to stderr | |
4 | die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status | |
5 | try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails | |
6 | checkIsInArray() { | |
7 | # Desc: Checks if input arg is element in array | |
8 | # Usage: checkIsInArray arg1 arg2 | |
9 | # Version: 0.0.1 | |
10 | # Input: arg1: test string | |
11 | # arg2: array | |
12 | # Output: exit code 0 if test string is in array; 1 otherwise | |
13 | # Example: checkIsInArray "foo" "${myArray[@]}" | |
14 | # Ref/Attrib: [1] How do I check if variable is an array? https://stackoverflow.com/a/27254437 | |
15 | # [2] How to pass an array as function argument? https://askubuntu.com/a/674347 | |
16 | local return_state input arg1 arg2 string_test | |
17 | local -a array_test | |
18 | input=("$@") # See [2] | |
19 | arg1="${input[0]}"; | |
20 | arg2=("${input[@]:1}"); | |
21 | #yell "DEBUG:input:${input[@]}"; | |
22 | #yell "DEBUG:arg1:${arg1[@]}"; | |
23 | #yell "DEBUG:arg2:${arg2[@]}"; | |
24 | ||
25 | string_test="$arg1"; | |
26 | array_test=("${arg2[@]}"); | |
27 | ||
28 | #yell "DEBUG:string_test:$string_test"; | |
29 | #yell "DEBUG:$(declare -p array_test)"; | |
30 | for element in "${array_test[@]}"; do | |
31 | #yell "DEBUG:element:$element"; | |
32 | if [[ "$element" =~ ^"$string_test" ]]; then | |
33 | return_state="true"; | |
34 | continue; | |
35 | fi; | |
36 | done; | |
37 | ||
38 | # Report exit code | |
39 | if [[ $return_state == "true" ]]; then | |
40 | return 0; | |
41 | else | |
42 | return 1; | |
43 | fi; | |
44 | } # Check if string is element in array | |
45 | ||
46 | # Sample test code | |
47 | my_array=("jan" "feb" "mar" "apr"); | |
48 | yell "Array contains:${my_array[@]}"; | |
49 | test_string="feb"; | |
50 | yell "Checking to see if $test_string is in array..."; | |
51 | if checkIsInArray "$test_string" "${my_array[@]}"; then | |
52 | yell "\"$test_string\" is in array"; | |
53 | else | |
54 | yell "\"$test_string\" is not in array"; | |
55 | fi; | |
56 | yell ""; # debug | |
57 | ||
58 | sleep 1; | |
59 | ||
60 | my_array=("jan" "feb" "mar" "apr"); | |
61 | yell "Array contains:${my_array[@]}"; | |
62 | test_string="oct"; | |
63 | yell "Checking to see if $test_string is in array..."; | |
64 | if checkIsInArray "$test_string" "${my_array[@]}"; then | |
65 | yell "\"$test_string\" is in array"; | |
66 | else | |
67 | yell "\"$test_string\" is not in array"; | |
68 | fi; | |
69 | yell ""; # debug | |
70 | ||
71 | sleep 1; | |
72 | ||
73 | my_array=("jan" "feb" "mar" "apr"); | |
74 | yell "Array contains:${my_array[@]}"; | |
75 | test_string="feb mar"; | |
76 | yell "Checking to see if $test_string is in array..."; | |
77 | if checkIsInArray "$test_string" "${my_array[@]}"; then | |
78 | yell "\"$test_string\" is in array"; | |
79 | else | |
80 | yell "\"$test_string\" is not in array"; | |
81 | fi; | |
82 | yell ""; # debug |