bashfuck
bashfuck is a dialect of bash where you only use the ASCII special characters. No letters, no numbers.
To help you with your bashfuck journeys, this repository includes a handy utility: a bashfuck encoder.
$ bash bashfuck.sh
usage: bash bashfuck.sh source.sh output.sh
Limitations
- depends on the precise wording of bash error messages, and as such doesn't work if your locale is set to something other than English
- unfortunately, there is no bashfuck-compliant way to capture the stderr of a command directly to a variable. As a workaround, bashfuck first writes it into a file, and then reads this back. By default, this file is
._.in the current working directory. Note that if this file exists, it will be overwritten. - I think the decoding code I wrote might be quadratic. Shouldn't be too hard to fix. PRs welcome!
How it works
I don't really feel like writing this section right now. Go forth, human! Examine the cursed artifact! You'll certainly learn something about bash that you didn't know before.
If you want a hint, take a look at encoder-payload.sh — though note that, due to the self-reference, this won't work properly when not itself encoded.
Other considerations
- please make sure to observe the terms of the license
- join us in
##bash-crimeson libera.chat