John Kerl

miller. Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON

scripts. Productivity tools for Linux/Unix.

lumin. Simple command-line tool to highlight matches in files -- like grep with --color, but shows all lines while highlighting matches

sack. Simple command-line calculator for small finite groups. Unix bc for abstract algebra.

percolation. C code for 2D/3D lattice percolation

pgr. Plotter tool for tabular numerical data: file I/O and argument-parsing wrapped around matplotlib

minecurser. Command-line Minesweeper clone using the curses library, and vi-style navigation keystrokes

ctools. General-purpose C tools, vintage ANSI

pgpg. PGPG is the Pretty Good Parser Generator

scripts-math. Various linear-algebra and stats scripts, in Python and Perl.

dotfiles. A place to put my Linux/Unix dotfiles

mcmc-interacting-spatial-permutations. C source code for Markov chain Monte Carlo methods for interacting spatial permutations

iff2. Minimalistic p=2 32/64-bit-word finite-field library

pingety-ping. Colorized terminal-mode bar-charting for ping

scripts-misc. Simple image-file manipulation, LaTeX support, and Unixism-replacers for Perl-on-Windows

word-finder. HTML

pangram-checker. A simple JavaScript app to see if a phrase is a pangram

poki. Poki is a poor man's wiki generator

quarto-markdown-skeleton. CSS

jko-toggler. A quick little example of using JavaScript buttons to toggle section visibility for HTML pages.

sliver. A lightweight JavaScript library

spit. Scripting for piles of idempotent tasks

spffl. A finite-field library in C++

ruffl. Finite-fields library in Ruby

bridge-walk-count. C code for bridges in self-avoiding random walks (SAWs) in the plane

miller-js. Very experimental Miller UI project

littler. A scripting and command-line front-end for GNU R

quarto-book-mode.

uno-runner. A little Java simulator for the card game Uno, for investigating fat-tailedness of game-length and other distributions.

the-shoke-language. Shell

johnkerl. Profile README

practical-chrestomathies. How to do task T in language L

matrix-api.

classical-ciphers. Light-hearted poking around with Vignere, Playfair, and Four-square ciphers

quarto-ci-render-experiment. Testing `quarto render` from within CI

quarto-ghp-experiment. Python

python-package-skeleton. Runnable cheat-sheet with all things python3

homebrew-core. 🍻 Default formulae for the missing package manager for macOS (or Linux)

rube. Cycle decomposition for moves on the Rubik's cube; Common Lisp / Python / Clojure porting experiments

staged-recipes. A place to submit conda recipes before they become fully fledged conda-forge feedstocks

johnkerl.github.com. Parent page for repos at http://github.com/johnkerl

away. No-frills setup for conveying minimal bashrc/vimrc/scripts to away hosts (EC2, etc.)