Slack Channel Inviter

Invite all of #channelA to #channelB (skipping those already in #channelB)

I had a need to shutdown and migrate a large channel into another. This little CLI tool did the job. It may be of use to others.

Usage

env SLACK_TOKEN=xoxp-<your_token> go run main.go channelA channelB

Output

2017/07/31 09:39:49 Invited userA (U0A3DXXX) to #channelB (C0KKV4XXX)
2017/07/31 09:39:50 Invited userB (U0A3DXXX) to #channelB (C0KKV4XXX)
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