codeFareith/cf_bash_get.md

## cf_bash_get.md

      
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              cf_bash_get.md
            
          
    Bourne Again Shell


get value by array key


Usage

usage: get KEY ${ARRAY[@]};

Script

#!/bin/bash

function get() {
	local key="${1}";
	local val;

	while [ "${1}" != '' ]; do
		shift;
		if [ "${1%%:*}" == "${key}" ]; then
			val="${1#*:}";
			echo "${val}";
			return 0;
		fi;
	done;
	return 1;
}


Example

ARRAY=(
    "foo:bar"
    "key:val"
);
val=$( get foo ${ARRAY[@]} );
echo "${val}";

# Output
bar