You may want to read also the original README.md.

CLI for Compat Tables (Added by Gratex team)

How is this different from orginal kangax repo ?

cli.js 		-	trivial cmd line over original 'data files'
README.md	- 	this file with CLI samples

TLDR

node cli.js es5 matrix | grep ....

Other samples (JSON):

node cli.js es5 browsers

node cli.js es5 tests

browsers supporting indexOf

node cli.js es5 tests indexOf

Array api supported by ie9

node cli.js es5 tests Array ie9

Other Sample Usages

Top 5 worst es5 browsers:

node cli.js es5 matrix | grep false$ | cut -f2 | sort | uniq -c | sort -k1,1nr | head -n 5

Prints:

50 ie7
47 ios78
47 phantom
46 ie8
40 safari3

Listing browsers:

node cli.js es5 browsers
node cli.js es6 browsers
node cli.js esnext browsers

Only browser names:

node cli.js es5 browsers | jsontool -ak 

Obsolete browsers

node cli.js es6 browsers | jsontool -M | jsontool -c 'this.value.obsolete' | jsontool -a key

'Real' browsers

node cli.js es6 browsers | jsontool -M | jsontool -c '!this.value.platform' | jsontool -a key

Current browsers by platform (as html table output)

(	
	echo "|name|platform|"; echo "|----|----|"; 
	node cli.js es6 browsers | jsontool -M | jsontool -c '!this.value.obsolete' | jsontool -d"|" -a foo key value.platformtype bar \
	| sort -t"|" -k3,3 -k2,2 
) | pandoc

Updating data (from kangax repo)

This is fork of original https://kangax.github.io/compat-table/es6/

git remote add upstream https://github.com/kangax/compat-table
git merge remotes/upstream/gh-pages

npm install #just in case 

# test

Be carefull, he changes formats sometimes