It's as easy as
# If you have env var SLACKX_HOOK_URL set
$ slackx pizza burgers "hot dogs"
# Using --url, or -u
$ slackx pizza burgers "hot dogs" --url [slack-web-hook-url]
# Using stdin
$ slackx --url [slack-web-hook-url] < file.txt
$ npm install -g slackx
Usage:
$ slackx -i ":white_check_mark:" < file.txt
Options:
--icon-emoji, -i slack icon_emoji (optional)
--url, -u slack hook url (required if SLACKX_HOOK_URL env var not set)
--plain-text, -p if you want to send text as plain text