Sometimes you need it
This small, simple and helpful Node-package provides a CLI that returns the current calendar week:
Install with (prerequisite Node.js installed):
$ npm install -g calendar-week-cli
Try with:
$ cw
or for a specific date:
$ cw -d 01.01.2019
$ cw -d 2019-01-01
options:
$ cw --help
Usage: index [options]
Options:
-V, --version output the version number
-d, --date <date> provide a specific Date
-h, --help output usage information