oliverkwebb

#!/bin/awk -f
# Under Public Domain
{
  delete a; b = 0
  $0 = tolower($0)

  # Compacting for mmultiletter Combinational Emojis:
  gsub("ab",   "A") # :ab:
  gsub("abc",  "B") # :abc:
  gsub("atm",  "T") # :atm:

oliverkwebb

// chmdc.c, Linux permissions visualizer
// By Oliver Webb (2024), Inspired by cheat.sh/chmod/####, In Public Domain
#include <stdio.h>
#include <stdlib.h>

char *propnames[3] = {"Read ", "Write", "Exec "},
     *specnames[3] = {"Setuid", "Setgid", "Sticky"};

int main(int argc, char *argv[])
{

oliverkwebb

#include <time.h>
#include <math.h>
extern int printf(const char *format, ...);
extern long timezone;
#define isleap(y) ((!(y % 4)) ? ((!(y % 100)) ? !(y % 400) : 1) : 0)
#define INT(x) ((int)(x))
#define FRACP(x) ((x)-INT(x))

//  HEADER: include/astrotime.h

oliverkwebb

// Implementation of luhn's algorithm
// See: https://cs50.harvard.edu/x/2024/psets/1/credit/
// This code is in the public domain
// TODO: Credit card type checking
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

static void invalid()

oliverkwebb

// Ordinal Indicator
#include <stdio.h>
#include <stdlib.h>

static const char *ordindic(long num)
{
	int lpr = abs(num % 100);
	if (lpr >= 11 && lpr <= 14) lpr = 0;
	lpr %= 10;
	if (lpr > 3 || !lpr) return "th";

oliverkwebb

#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <arpa/inet.h>

int main(int argc, char **argv)
{
	char *colors[] = {
		"Greyscale", "INVALID", "RGB", "Indexed Color",
		"Greyscale w/ alpha", "INVALID", "RGBA"

oliverkwebb

#include <stdint.h>
#include <byteswap.h>

void swapf(void *mem, const char *fmt)
{
	char *m = (char *)mem;
	for (;;fmt++) switch (*fmt) {
		case '1': case 'b':
			m++;
			break;

oliverkwebb

package main

import "fmt"
import "math"
import "time"

func main() {
  tz, err := time.LoadLocation("UTC")
  if err != nil { // Always check errors even if they should not happen.
	panic(err)

oliverkwebb

#!/bin/sh
#
# bigcal - make a 78-column version of the output of the "cal" command
#
# Pass it the same arguments you'd pass to cal, if any.  If you try a
# full-year calendar, you probably won't get anything useful.
#
# Jef Poskanzer <jef@mail.acme.com>

cal "$@" | awk 'NR == 1 {printf "%s%s\n", substr("                                       ", length/2), $0}'

oliverkwebb

#!/bin/sh

DELAY="0"
MODE="D"
VIEWER="nsxiv"

SHOTPROMPT='1:Take shot\n2:Mode Change\n3:Delay+5s\n4:Delay-5s'

while true; do
	SELITEM=$(printf "$SHOTPROMPT" | dmenu -h 16 -l 4 -p "Mode:$MODE Del:$DELAY")