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Milan Oberkirch zvyn

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@geops
Europe

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zvyn / color_functions.sh

Created November 10, 2013 21:38

Functions to color sh-output. Useful for logging or bash-prompt.

	changeColor () {
	## Usage
	local help_message="\
	Usage:
	changeColor ((fg\|bg\|light\|light-bg)? color (bold\|dim\|underlined\|inverted)*)+
	Example:
	changeColor fg red light-bg green underlined bold"
	#/>

	## local properties

zvyn / declare -A array=$(the php-way)

Created August 23, 2013 15:31

Store multiple values in a declarative array, including the error-code of a command. (Note that in most cases you want to use $? directly or $PIPESTATUS if you have a pipe to get just the error-code.) Needs bash-version > 4.

	#!/bin/bash

	# generates a string in the form of an array-declaration and puts it into declare -A
	declare -A exit_status=$(echo -n "( \
	[output]=\"" ; cat /no/such/file 2>&1 ; echo -en "\"
	[errno]=$?
	)")

	# to test it:
	echo error ${exit_status[errno]}: ${exit_status[output]} >/dev/stderr

zvyn / list-package-sizes.bash

Last active April 17, 2018 20:09

My disk went full so I wrote the following script to generate a list of all installed packages with their (theoretical) disk-usage as estimated by pacman. #ArchLinux #pacman

	#!/bin/bash

	function list-package-sizes () {
	if [ $1 ]; then
	case $1 in
	-h\|--help)
	local errno=0
	;;
	*)
	local errno=1

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