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38 lines
840 B
38 lines
840 B
#!/bin/bash
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##
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# return 0 (true) if array (passed by name) contains element
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# usage:
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# ARRAY=( a b c )
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# containsElement ARRAY 'a' => 0
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function containsElement {
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isArray "$1" || (echo >&2 "ERROR: <$1> not an array!" && return 2)
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array_inter="$1[@]"
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array=("${!array_inter}")
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for i in "${array[@]}"; do [[ "$i" == "$2" ]] && return 0; done
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return 1
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}
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## return 0 (true) if arg1 (passed by name) is an array
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function isArray {
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[[ "$(declare -p "$1" 2>/dev/null)" =~ "declare -a" ]] || return 1
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}
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function askConfirmation {
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case "$1" in
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y | Y | yes | YES)
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QUESTION="(Y/n)?"
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DEFAULT=0
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;;
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*)
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QUESTION="(y/N)?"
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DEFAULT=1
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;;
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esac
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read -rp "$QUESTION : " choice
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case "$choice" in
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y | Y | yes | YES) return 0 ;; #true
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n | no | N | NO) return 1 ;; #false
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*) return $DEFAULT ;;
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esac
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}
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