Нотатка. Shell, PHP script. GeoIP detect TimeZone.

Скрипт за IP адресою, визначає часовий пояс.
ip-timezone-info.sh

!/bin/bash

IP=$1

if [ -z "${IP}" ];then
 echo "-- Missed paramter of IP"
 exit
fi


function install()
{
howinstalled=$(apt list --installed 2>/dev/null  | grep  "^$1" | wc -l)
if [ "${howinstalled}" -lt 1 ] ;then
 echo !!!!!!!!! MISSED FILE "$1", please install it : sudo apt install $1
 sudo apt-get install $1
 #exit
fi
}

install mmdb-bin

TZCity=$(mmdblookup --file GeoLite2-City.mmdb --ip ${IP} location time_zone |\
 awk 'match( $0, /"([a-z|A-Z|/]*)"/ ,arr ) { print  arr[1] }' )
TZone=$(TZ=${TZCity} date +%z)
echo "${TZCity} GMT${TZone%??}"