slack-post

Simple slack post interface from terminal with webhook.

Installing

Dependency

This script use jq command to modify json text. Installjq if you don't have jq.

sudo apt install jq

Setup Slack Incomming Webhook

Follow the official configuration manual below to obtain the webhook URL. https://api.slack.com/messaging/webhooks#getting_started

Webhook URL looks something like this: https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX, and export the URL to $SLACK_WHURL with the command below.

export SLACK_WHURL=https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX

Copy slack_post.sh to your local directory and give the file execute permission.

chmod +x slack_post.sh

Send message

By default, this script will post to default channel selected when you generate webhook URL. You can change default channel from here. https://slack.com/apps/A0F7XDUAZ

1. Send message

   ./slack_post.sh -t 'Hello from terminal!'

   
2. Send a message received in a pipe.

   echo 'Message via pipe' | ./slack_post.sh
   # if you want to keep your stdout form script,
   echo 'Message via pipe' | tee >(./slack_post.sh)

   
3. Customize message

   # Send different channel
   ./slack_post.sh --channel '#random' --username 'Your boss' --icon_emoji ':sunglasses:'

   

If you want to post full-customized message, generate json text and post it with following command.

curl -X POST -H 'Content-type: application/json' --data '{"text":"Done!"}' $SLACK_WHURL