iterm2_shell_extensions

$ curl -L https://iterm2.com/shell_integration/install_shell_integration_and_utilities.sh | bash
######################################################################## 100.0%
Downloading script from https://iterm2.com/shell_integration/bash and saving it to /Users/aisrael/.iterm2_shell_integration.bash...
Checking if /Users/aisrael/.bash_profile contains iterm2_shell_integration...
Downloading imgcat...
Downloading imgls...
Downloading it2attention...
Downloading it2check...
Downloading it2copy...
Downloading it2dl...
Downloading it2getvar...
Downloading it2setcolor...
Downloading it2setkeylabel...
Downloading it2ul...
Downloading it2universion...
Adding aliases...
Done.
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The next time you log in, shell integration will be enabled.

You will also have these commands:
imgcat filename
  Displays the image inline.
imgls
  Shows a directory listing with image thumbnails
it2attention start|stop|fireworks
  Gets your attention
it2check
  Checks if the terminal is iTerm2
it2copy [filename]
  Copies to the pasteboard
it2dl filename
  Downloads the specified file, saving it in your Downloads folder.
it2setcolor ...
  Changes individual color settings or loads a color preset
it2setkeylabel ...
  Changes Touch Bar function key labels
it2ul
  Uploads a file
it2universion
  Sets the current unicode version