Shell script to send message to a discord channel using discord channel webhook

send-message-to-discord.sh

#!/bin/bash

# Replace with your Discord webhook URL
DISCORD_WEBHOOK_URL="<DISCORD_WEBHOOK_URL>"

# Fixed values
USERNAME="qbitorrent-pi4"
# AVATAR_URL="https://example.com/avatar.png"
MENTION_USER_ID="<MENTION_USER_ID>"

# Check if an argument is provided
if [ $# -ne 1 ]; then
  echo "Usage: $0 <additional_text>"
  exit 1
fi

# Get the additional text from the argument
ADDITIONAL_TEXT="$1"

# Construct the message
MESSAGE="<@$MENTION_USER_ID>\nDownloaded... $ADDITIONAL_TEXT"

# Construct the JSON payload
PAYLOAD=$(cat <<EOF
{
  "username": "$USERNAME",
  "content": "$MESSAGE"
}
EOF
)

# Send the message to Discord using curl
curl -X POST "$DISCORD_WEBHOOK_URL" \
  -H "Content-Type: application/json" \
  -d "$PAYLOAD"