Send messages to Slack from command line.

date | slacker -c slack_channel -t slack_token

Slack Token can be called from a enviroment variable, called SLACK_TOKEN.

You can set SLACK_TOKEN in your ~/.bashrc

# ~/.bashrc
export SLACK_TOKEN="slack_token_string"

date | slacker -c slack_channel

Upload file to channel:

date | slacker -c slack_channel -f image.png

pip install slacker-cli