villeodell

Regular Expression Cheatsheet

Anchors

^   Matches at the start of string or start of line if multi-line mode is
	enabled. Many regex implementations have multi-line mode enabled by
	default.

$ Matches at the end of string or end of line if multi-line mode is enabled.

Restart Bluetooth from macOS Dock

macOS has an annoying bug where bluetooth periodically stops working. If you're working via a BT keyboard/trackpad you are forced to wait a minute or two until it resolves on it's own.

Alternative (5 seconds): Have a cable at the ready, plugin your trackpad, restart BT via the macOS Dock.

Setup a shortcut to restart Bluetooth from the dock

Install blueutil

List macOS applications by date last opened

Make a list of your current applications along with the date you last used them.

Get the relevant metadata attributes for Applications to mimic "Date last opened" in Finder using mdls
Convert plist xml output to json using yq
With jq
- select just the most recent date if multiple dates
- sort the results

ouput the app name and date to csv

	# Check/install brew
	if test ! $(which brew); then
	echo "Installing homebrew"
	ruby -e "$(curl -fsSl https://raw.githubusercontent.com/Homebrew/install/master/install)"
	fi

	brew analytics off

	# Update homebrew recipes
	brew update

	# ipak function: install and load multiple R packages.
	# check to see if packages are installed. Install them if they are not, then load them into the R session.

	ipak <- function(pkg){
	new.pkg <- pkg[!(pkg %in% installed.packages()[, "Package"])]
	if (length(new.pkg))
	install.packages(new.pkg, dependencies = TRUE)
	sapply(pkg, require, character.only = TRUE)
	}

	/* create this as /chrome/userContent.css under Firefox Profile directory */

	/* Enable Light/Dark Mode New Tab Background Color */

	@media (prefers-color-scheme: dark) {
	@-moz-document url("about:newtab"), url("about:home") {
	body { background-color: #222 !important;}
	}
	}

	{/Perl
	use strict;

	########
	# input a teams join link, extract the important bits, use them to print the meeting options link
	# {{?Join Link}} is Typinator code to ask for user input
	########

	my $str = '{{?Join Link}}';
	my $regex = qr/(?i).+19(?::\|%3a)(.+(?:@\|%40)thread.+)\/(.+)\?context=%7b%22Tid%22%3a%22(.+)%22%2c%22Oid%22%3a%22(.+)%22%7d/mp;

	#!/usr/bin/env ruby
	#
	# Script to normalise an audio file's loudness using ffmpeg
	#
	# Usage: normalise-loudness.rb <input.wav> <output.wav>
	#
	# License: https://unlicense.org/
	#
	# Requires the 'json' ruby gem:
	#

	# restart bluetoothd and bluetoothaudiod on macOS
	sudo kill -9 `pgrep bluetooth`