koonix

#!/bin/bash
set -eu -o pipefail

# This script ensures source code files
# have copyright license headers.
#
# It modifies all source files in place
# and avoids adding a license header
# to any file that already has one.

koonix

package seen

type Seen[T comparable] struct {
	Map map[T]struct{}
}

func New[T comparable](size int) Seen[T] {
	return Seen[T]{
		Map: make(map[T]struct{}, size),
	}

koonix

import "math/rand/v2"

func randomBytes(dst []byte) {
	const charset = "abcdefghijklmnopqrstuvwxyz" +
		"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789\t\n "
	for i := 0; i < len(dst); i++ {
		dst[i] = charset[rand.IntN(len(charset))]
	}
}

koonix

#!/bin/bash

# like surfraw, but not a million fucking lines long.
# requires dmenu.
# the default search engine is shown at first.
# to select another search engine, press enter when
# the prompt is empty in dmenu.

# name of the default search engine
default='Searx'

koonix

#!/bin/sh -efu
# split the given video/audio files by chapters using ffmpeg.

for file; do
    ffprobe -print_format csv -show_chapters -- "$file" | cut -d, -f5,7,8 |
        while IFS=, read start end chapter; do
            ffmpeg -hide_banner -nostdin -ss "$start" -to "$end" -i "$file" \
                -c copy -map 0 -map_chapters -1 -- "${file%.*}-$chapter.${file##*.}"
        done
done

koonix

/* source: https://stackoverflow.com/questions/29977651/how-can-the-pulseaudio-asynchronous-library-be-used-to-play-raw-pcm-data#29980624
 * pcm-playback: pcm-playback.c
 * gcc -o pcm-playback pcm-playback.c `pkg-config --cflags --libs libpulse` */

#include <stdio.h>
#include <assert.h>
#include <pulse/pulseaudio.h>

#define FORMAT PA_SAMPLE_U8
#define RATE 44100

koonix

/* source: https://legacy.imagemagick.org/discourse-server/viewtopic.php?p=80803#p80803
 * requires the "opencl-headers" package
 * compile:
 *   cc ConvertExample.c -o convert $(pkg-config --libs --cflags MagickCore MagickWand) */

/*
   Bare minimal test of a direct call to ConvertImageCommand()
   Actually this is basically what the "convert" command does.

   Compile with...

koonix

#include <stdio.h>
#include <glob.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>

#define LENGTH(X) (sizeof(X) / sizeof(X[0]))

void getproccwd(const unsigned int pid, char *cwd, const unsigned int size);
void getdesc(const unsigned int pid, int *desc, const unsigned int size);

koonix

void
pushincol(const Arg *arg)
{
	Client *sel = selmon->sel, *c;

	if (!sel || sel->isfloating)
		return;

	if (arg->i > 0) {
		if ((c = nextofmodeloop(sel))) {

koonix

#!/bin/zsh

# a wrapper for rm to make it safer to use.
# it stops rm from recursively removing top-level directories.

unset recursive endopt

# check arguments
for arg; do case $arg in
    --) break ;;