pswaminathan

#Mac OS X

Adobe Source Code Pro Font, Mensch coding font

Apps

Webkit, Chrome, Firefox,

pswaminathan

# Extract Files
extract() {
  if [ -f $1 ] ; then
		case $1 in
			*.tar.bz2)   tar xvjf $1    ;;
			*.tar.gz)    tar xvzf $1    ;;
			*.tar.xz)    tar xvJf $1    ;;
			*.bz2)       bunzip2 $1     ;;
			*.rar)       unrar x $1     ;;
			*.gz)        gunzip $1      ;;

pswaminathan

^[\w.%+-]+@(?:[\w-]+\.)+[A-Za-z]{2,4}$

Explanation:
^                   # Start of string. If searching in-line replace with \b
    [\w.%+-]+       # Matches alphanumeric, _, ., %, +, or - repeatedly
    @               # name-domain separator
    (?:
        [\w-]+      # Matches alphanumeric or - repeatedly
        \.          # Matches dot in domain separator
    )+              # Matches for one domain or for multiple subdomains

pswaminathan

Exporting (iCloud) Keychain and Safari credentials to a CSV file

After my dad died, I wanted to be able to have access any of his online accounts going forward. My dad was a Safari user and used iCloud Keychain to sync his credentials across his devices. I don’t want to have to keep an OS X user account around just to access his accounts, so I wanted to export his credentials to a portable file.

This is the process I used to create a CSV file of his credentials in the format “example.com,user,pass”. This portable format would be pretty easy to import into 1Password or Safari in the future.

The way I went about this isn’t great; it opens up more opportunities for apps to control one’s Mac through Accessibility APIs, it writes plaintext passwords to disk, and it could use some cleaning up. A better approach might leverage the security command line tool that ships with OS X. That said, I found this method to be a fun illustration of what’s possible us

pswaminathan

#!/bin/sh
#
# git-stack: Push this commit to a branch specified in its
# commit description.
#
# -- IMPORTANT -- this script is for macOS (using BSD sed)
# 
# Taken from https://wchargin.github.io/posts/managing-dependent-pull-requests/
# Copyright (c) 2017 William Chargin. Released under the MIT license.