count-duplicate-lines v1.0.0

count-unique-lines

This is a command-line utility that counts the number of duplicate lines in your streamed input.

Quite plainly, this is the command line equivalent of this Duplicates in a List Online Tool by Shailesh N. Humbad.

installation

npm i -g wvbe/count-duplicate-lines

usage

Pipe your lines into this sucker like:

cat lines.txt | count-duplicate-lines

options

-p or --porcelain will send a line- and tab-separated value table, instead of something more readable.