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SDL2 Versus game tutorial
Wed, 20th March 2024

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The Legend of Edgar 1.37
Mon, 1st January 2024

SDL2 Santa game tutorial 🎅
Thu, 23rd November 2023

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Books


Project Starfighter

In his fight back against the ruthless Wade-Ellen Asset Protection Corporation, pilot Chris Bainfield finds himself teaming up with the most unlikely of allies - a sentient starfighter known as Athena.

Click here to learn more and read an extract!

A Reddit Wallpaper download script

Fri, 27th May 2016

I like having new wallpapers, daily. As I most often got them from /r/wallpapers, I decided to write a small script to download them to use on my desktop. The script is rather straight forward. It will download the RSS feed from /r/wallpapers and extract the URLs of the first two jpgs that are listed within, which are then downloaded using wget. It will then resize them to better fit the desktop (some wallpapers are 4K, so I just resize them to my native resolution), and that's that.

Okay, there are a few extras: it will first check to see if we're online (by pinging Google), it will then only download new wallpapers if it's been at least 6 hours since the last check. Wallpapers older than two days old will be deleted before the new ones are fetched. Additionally, the user agent is set to be the latest version of Chrome, as Reddit has checks against rogue bots (note: if you run this script too often, your ip address could be banned - best to only run it once every few hours).

You can view the code below. Either copy and paste that into a file, or download the wallpaper.sh file at the bottom of this page. Remember to tweak it to suit your own needs (as a minimum, update the paths), and then chmod +x it before running.

#!/bin/bash -e

TMP="/tmp/wallpapers"
DIR="/path/to/wallpapers"
LASTDL="$DIR/.lastDownload"
UA=`/opt/google/chrome/chrome -version`

if ping -q -c 1 www.google.com

then

if [ ! -f $LASTDL ] || [ `find "$LASTDL" -mmin +360` ]

then

find "$DIR" -name '*.jpg' -mtime +2 -exec rm {} \;

mkdir -p $TMP

FILES=$(curl -A "$UA" https://www.reddit.com/r/wallpapers.rss | xmllint --format - | grep -Eo 'http[s]?:[^"]*jpg' | grep -v thumbs | head -2)

for FILE in $FILES
do
wget -c $FILE -P $TMP
done

touch $LASTDL

mogrify -resize 1920x "$TMP/*.jpg"

mv $TMP/*.jpg $DIR

fi

fi
Downloads: wallpaper.sh (0Kb)
 
code 

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