villeodell

# 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)
}

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.

villeodell

#!/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:
#