wp-cli/wp-cli — pull request #1433 by danielbachhuber (2014-10-05 17:53:12+00:00)
Title: wp post update command should optionally accept a [file] argument like wp post create

It'd be a useful feature to allow the post update command to accept a file argument so the post_content data can be retrieved from a file, replacing the existing post_content data.

e.g. `wp post post update | .... --field=`