Output R expressions to a Slack channel/user

Takes an expr, evaluates it and sends the output to a Slack chat destination. Useful for logging, messaging on long compute tasks or general information sharing.

Usage

slackr(
  ...,
  channel = Sys.getenv("SLACK_CHANNEL"),
  username = Sys.getenv("SLACK_USERNAME"),
  icon_emoji = Sys.getenv("SLACK_ICON_EMOJI"),
  token = Sys.getenv("SLACK_TOKEN"),
  thread_ts = NULL,
  reply_broadcast = FALSE
)

Arguments

...

expressions to be sent to Slack.

channel

Channel, private group, or IM channel to send message to. Can be an encoded ID, or a name. See the chat.postMessage endpoint documentation for details.

username

what user should the bot be named as (chr).

icon_emoji

what emoji to use (chr) "" will mean use the default.

token

Authentication token bearing required scopes.

thread_ts

Provide another message's ts value to make this message a reply. Avoid using a reply's ts value; use its parent instead.

reply_broadcast

Used in conjunction with thread_ts and indicates whether reply should be made visible to everyone in the channel or conversation. Defaults to FALSE.

Value

the response (invisibly)

Details

By default, everything but expr will be looked for in a "SLACK_" environment variable. You can override or just specify these values directly instead, but it's probably better to call slackr_setup() first.

Note

You need a https://www.slack.com account and will also need to set up an API token https://api.slack.com/

See also

slackr_setup(), slackr_bot(), slackr_dev(), slackr_save(), slackr_upload()

Examples

if (FALSE) {
slackr_setup()
slackr("iris info", head(iris), str(iris))
}