• https://linuxscriptshub.com/send-telegram-message-linux-scripts/

BotFather

/newbot

choose name: Valspec1

choose username: Valspec1_bot

791162060140:AAEPY34v4PJgtCxzKnXCapr026BVM_rlpK0

$ cat send-to-telegram.sh

#!/bin/sh

[ "$1" ] && MESSAGE=$1 || MESSAGE="Hello, world!"
 TOKEN="768604181156:AAGB1Qwvd-DAPhFbQiMKR3InggtIvPPEtT8"

CHAT_ID="1776721761"
curl -s -X POST https://api.telegram.org/bot$TOKEN/sendMessage -d chat_id=$CHAT_ID -d text="$MESSAGE"

$ make buildworld; /home/val/send-to-telegram.sh FINISH