#!/bin/bash

function sendTelegram {

local TEXT=$1
local SERVER="K0"
#local MESSAGE=$2

#[[ ! -z "$MESSAGE" ]] && \
        curl -s -X POST $URL -d chat_id=$CHAT_ID -d text="*${SERVER}*: $TEXT" -d parse_mode="markdown" >> /tmp/telegram.log

}

TOKEN=<YOUR_TOKEN_HERE>
CHAT_ID=<YOUR_CHAT_ID_HERE>
MESSAGE="Hello World"
UR
L="https://api.telegram.org/bot$TOKEN/sendMessage"

#whois mate.cat | grep Date > ./mate.cat.tmp
whois mate.cat > ./mate.cat.tmp

[[ -f ./mate.cat.txt ]] && {
    DIFF=$(diff ./mate.cat.txt ./mate.cat.tmp)
    [[ $? != 0 ]] && {
        mv ./mate.cat.tmp ./mate.cat.txt
        sendTelegram "cambios en mate.cat: \`${DIFF}\`"
    } || {
        rm ./mate.cat.tmp
    }
} || {
    whois mate.cat > ./mate.cat.txt
}