yeah, some years back there was also some C code in an issue of 2600 (or maybe a bash script? I cant remember) that obfuscated URLs in this manner. The article

yeah, some years back there was also some C code in an issue of 2600 (or maybe a bash script? I cant remember) that obfuscated URLs in this manner. The article that the script was attached to actually used school URL filtering as the example case use.