Exemple de passage du JSON vers des variables BASH

jason-toarray.sh

#!/bin/sh

#   "DATABASES": [
#	  {
#		  "MYSQL_DATABASE": "database1",
#		  "MYSQL_USER": "user",
#		  "MYSQL_PASSWORD": "toto"
#	  },
#	  {
#		  "MYSQL_DATABASE": "database2",
#		  "MYSQL_USER": "user",
#		  "MYSQL_PASSWORD": "truc"
#	  }
#  ]
#
#
#


IN=`jq -r '.DATABASES[] | "\(.MYSQL_DATABASE) \(.MYSQL_USER) \(.MYSQL_PASSWORD) ;"' ./config.json`

forEachDatabase() {
	echo "arg1: ${1}; arg2:${2}; arg3:${3}"
}

while IFS=';' read -ra ITEM; do
      for i in "${ITEM[@]}"; do
          forEachDatabase $i
      done
done <<< "$IN"