Send a simple message to slack

send-to-slack.sh

#!/bin/sh

# Usage: send-to-slack <channel> <text>
# Example: send-to-slack random Hello world

# Set your slack token and domain with:
# export SLACK_TOKEN=your-slack-token
# export SLACK_USERNAME=some-username

if [[ $SLACK_TOKEN == "" ]]
then
  echo "No token specified"
  exit 1
fi

CHANNEL=$1
if [[ $CHANNEL == "" ]]
then
  echo "No channel specified"
  exit 1
fi

shift

TEXT=$*
if [[ $TEXT == "" ]]
then
  echo "No text specified"
  exit 1
fi

if [[ $SLACK_USERNAME == "" ]]
then
  SLACK_USERNAME=bot
fi

curl -X POST -F "channel=#${CHANNEL}" -F "username=${SLACK_USERNAME}" -F "text=${TEXT}" -F "token=${SLACK_TOKEN}" https://api.slack.com/api/chat.postMessage