venam’s gists

venam / pw-setvol.sh

Last active May 21, 2024 18:21

Set PipeWire volume natively on the default sink

	#! /bin/sh

	# the metadata only contains the name of the default sink
	default_sink_name=$(pw-metadata 0 'default.audio.sink' \| grep 'value' \| sed "s/.* value:'//;s/' type:.*$//;" \| jq .name)
	default_sink_id=$(pw-dump Node Device \| jq '.[].info.props\|select(."node.name" == '" $default_sink_name "') \| ."object.id"')
	current_volume=$(pw-cli enum-params "$default_sink_id" 'Props' \| grep -A 2 'Spa:Pod:Object:Param:Props:channelVolumes' \| awk '/Float / {gsub(/.*Float\s/," "); print $1^(1/3) }')
	change="${1:-0.1}" # defaults to increment of 0.1
	new_volume=$(echo "$current_volume $change" \| awk '{printf "%f", $1 + $2}')
	# we need to reconvert to cubic root
	#new_volume_cube=$(echo "$new_volume" \| awk '{ print $1^3 }')

venam / pty_ends.pl

Created June 5, 2021 12:31

Script to list master/slave pseudoterminal ends on Linux

	use strict;
	use warnings;

	print "MASTER\tSLAVES\n";
	my $pid = -1;
	for my $master_end (qx#lsof -F pcf /dev/ptmx#) {
	chomp $master_end;
	if ($master_end =~ /p.*/) {
	print "\n" if $pid>0;
	$pid = substr($master_end, 1);

venam / 01-windows.conf

Created September 14, 2020 05:13

Fontconfig for Grouping Win Fonts

	<?xml version="1.0"?>
	<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
	<fontconfig>

	<description>Make Windows Font Look Good</description>

	<match target="font">
	<edit name="iswindowsfont" mode="assign">
	<or>
	<eq>

venam / unicode_from_ascii.js

Last active September 2, 2020 00:13

Take an ascii string and output possible unicode string equivalent in NFKD so that it is understood by IDNA within URLs

function conv_to_uni(st) {

    udata = {"66":["7470","8492","9399","119809","119861","119913","120017","120069","120121","120173","120225","120277","120329","120381","120433","127281","65314"],"87":["7490","9420","119830","119882","119934","119986","120038","120090","120142","120194","120246","120298","120350","120402","120454","127302","65335"],"77":["7481","8499","8559","9410","119820","119872","119924","120028","120080","120132","120184","120236","120288","120340","120392","120444","127292","65325"],"69":["7473","8496","9402","119812","119864","119916","120020","120072","120124","120176","120228","120280","120332","120384","120436","127284","65317"],"90":["8484","8488","9423","119833","119885","119937","119989","120041","120197","120249","120301","120353","120405","120457","127305","65338"],"98":["7495","9425","119835","119887","119939","119991","120043","120095","120147","120199","120251","120303","120355","120407","120459","65346"],"117":["7512","7524","9444","119854","119906","119958","120010","120062",

venam / fetch_all_hosts.sh

Created July 12, 2018 04:35

hosts block autofetcher

	#!/bin/bash

	# fetch the new block list
	wget 'https://v.firebog.net/hosts/lists.php?type=all' -O list_all
	# reset the old hosts directory
	rm -r all_hosts
	mkdir all_hosts

	# read the file and download into the all_hosts directory
	while read a; do

venam / watermark.sh

Last active November 26, 2015 06:23

watermark a bunch of image files in a dir

	#!/bin/bash

	if [ "$#" -lt 2 ]; then
	echo "Usage: $0 dir text" >&2
	exit 1
	fi

	# 1275x1650 - the size of the A4 images
	dir=$1
	text=$2

venam / pdf_to_images.sh

Created November 25, 2015 17:28

convert a list of pdfs to images of good quality

	#!/bin/bash

	if [ "$#" -lt 1 ]; then
	echo "Usage: $0 pdfs" >&2
	exit 1
	fi
	for pdf in "$@"
	do
	echo "Converting $pdf to images"
	pages="$( pdfinfo "$pdf" \|grep Pages \| sed -e 's/Pages:\+//')"

venam / converter.sh

Last active February 2, 2017 07:07

Convert flv to mkv

	#!/bin/bash

	if [ "$#" -lt 2 ]; then
	echo "usage: ${0} <extension> <replace>"
	exit 1
	fi

	for f in *.${1}
	do
	newname="${f%${1}}${2}"

	#! /bin/sh

	# the metadata only contains the name of the default sink
	default_sink_name=$(pw-metadata 0 'default.audio.sink' \| grep 'value' \| sed "s/.* value:'//;s/' type:.*$//;" \| jq .name)
	default_sink_id=$(pw-dump Node Device \| jq '.[].info.props\|select(."node.name" == '" $default_sink_name "') \| ."object.id"')
	current_volume=$(pw-cli enum-params "$default_sink_id" 'Props' \| grep -A 2 'Spa:Pod:Object:Param:Props:channelVolumes' \| awk '/Float / {gsub(/.*Float\s/," "); print $1^(1/3) }')
	change="${1:-0.1}" # defaults to increment of 0.1
	new_volume=$(echo "$current_volume $change" \| awk '{printf "%f", $1 + $2}')
	# we need to reconvert to cubic root
	#new_volume_cube=$(echo "$new_volume" \| awk '{ print $1^3 }')