Some useful cli commands

commands.md

Parse json with python

λ curl http://somewhere/data.json | python -m json.tool

Search file by content

Search dir . with conetent partten abc and files with *.php

λ grep --include=\*.php -rnw . -e "abc" 

Get IP and host name in LAN (In Mac)

// Find brodcast IP. ex 192.168.1.255
λ ifconfig
λ ping 192.168.1.255
λ amp -a 

Using env var inside sed quote

ref

1. using double quote whitin single qoute
2. using @ or other symbol as delimiter instead \, in case your var contains \

pwd | sed 's@'"$HOME"'@@'

Increase keyboard sensitive in x environment

xset r rate 200 30