bug-fix: fix potential variable scope leakage from function.

mc

@@ -83,11 +83,14 @@ function usage() {
     printf "Backup directory can be changed from default ~/mc-mc_backup/ by using 'export MY_MC_BACKUP_DIR=</path/to/dir/>'\n\n"
     printf "Positional arguments will fill the JSON objects with values from left to right.\n\n"
     printf "COMMANDS:\n"
+
+    local command
     for command in "${!commands[@]}"; do
         local endpoint method body
         read -r endpoint method body <<<"${commands[${command}]}"
         echo -e "\t ${command} ${body}" | sed 's/[":\{\}]//g' |sed 's/%s//g'| sed 's/[,]/ /g'
     done
+
     printf "\n"
 }