Simple sh script to send out log to a telegram chat.

sendlog

#!/bin/sh

#####################################################
# CONFIGURATION                                     #
#####################################################
TOKEN=1233445ASDKLSJDASASDDASBJHBEUBSAÀÒBDFASOFADBSDF
CHAT_ID=12312354
#####################################################


usage="\
Usage: $0 TITLE [MESSAGE]
  If MESSAGE is empty stdin is used.\
"

# check input or exit
[ -z "$1" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] && echo "$usage" && exit
title="$1"

# if message is empty read from stdin
message="$2"
if [ -z "$2" ]; then
    while read -r line; do
        message="$message$line\n"
    done < /dev/stdin
fi

# build telegram message
msg="*LOG: $title*\n\`\`\`sh\n$message\`\`\`"

# send message
curl -s -XPOST "https://api.telegram.org/bot$TOKEN/sendMessage" \
     -H "Content-Type: application/json" \
     -d "{\"text\":\"$msg\", \"chat_id\":\"$CHAT_ID\", \"parse_mode\":\"MarkdownV2\"}" > /dev/null