Send message to Telegram in terminal

telegram-send.sh

#!/bin/bash
    
CHAT_ID=<chat_id>
BOT_TOKEN=<bot_token>

# this 3 checks (if) are not necessary but should be convenient
if [ "$1" == "-h" ]; then
  echo "Usage: `basename $0` \"text message\""
  exit 0
fi

if [ -z "$1" ]
  then
    echo "Add message text as second arguments"
    exit 0
fi

if [ "$#" -ne 1 ]; then
    echo "You can pass only one argument. For string with spaces put it on quotes"
    exit 0
fi

curl -s --data "text=$1" --data "chat_id=$CHAT_ID" 'https://api.telegram.org/bot'$BOT_TOKEN'/sendMessage' > /dev/null

# chmod +x telegram-send.sh
# sudo mv telegram-send.sh /usr/bin/telegram-send
# sudo chown root:root /usr/bin/telegram-send