[ LINUX BASH ] Associate map : get / set / insert

associative_map.sh

#!/bin/bash

declare -A map=([toto]=1 [tata]=2)

YOUR_STRING="titi"

CHECK=`echo "${!map[@]}" | grep -o $YOUR_STRING`

if [ -z $CHECK ]; then
	#create the entry for it and set its count (value) to 1
	map[$YOUR_STRING]=0
else
	# increment the count (value) by 1
	var="${map[$YOUR_STRING]}"
	map[$YOUR_STRING]=$((var+1))
fi

echo "your key : $YOUR_STRING | your value : ${map[$YOUR_STRING]}"

# A quick solution => (( ++map["$YOUR_STRING"] ))