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@samestep
Last active May 6, 2026 21:25
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All one-byte program names in Nixpkgs
{
"$": {
"undollar": "Eat the dollar sign in the command you just pasted into your terminal"
},
",": {
"comma": "Runs programs without installing them"
},
"9": {
"plan9port": "Plan 9 from User Space",
"plan9port-wayland": "Plan 9 from User Space (fork with wayland support)"
},
"B": {
"deadpixi-sam-unstable": "Updated version of the sam text editor",
"ma": "Minimalistic variant of the Acme editor"
},
"R": {
"R": "Free software environment for statistical computing and graphics",
"rWrapper": "Free software environment for statistical computing and graphics"
},
"X": {
"xorg-server": "X server implementation by X.org",
"xquartz": ""
},
"[": {
"busybox": "Tiny versions of common UNIX utilities in a single small executable",
"coreutils": "GNU Core Utilities",
"coreutils-full": "GNU Core Utilities",
"darwin.shell_cmds": "Darwin shell commands and the Almquist shell",
"gash-utils": "Core POSIX utilities written in Guile Scheme",
"minimal-bootstrap.coreutils-musl": "The GNU Core Utilities",
"minimal-bootstrap.coreutils-static": "The GNU Core Utilities",
"toybox": "Lightweight implementation of some Unix command line utilities",
"uutils-coreutils-noprefix": "Cross-platform Rust rewrite of the GNU coreutils"
},
"b": {
"build2": "Build2 build system",
"build2-bootstrap": "Bootstrap for the 'build2' package, you most likely want to use that one"
},
"e": {
"emacsclient-commands": "Collection of small shell utilities that connect to a local Emacs server"
},
"g": {
"g-ls": "Powerful ls alternative written in Go"
},
"h": {
"h": "Faster shell navigation of projects",
"myrddin": "Systems language that is both powerful and fun to use"
},
"k": {
"kona": "Interpreter of K, APL-like programming language",
"ngn-k": "Simple fast vector programming language"
},
"m": {
"m-cli": "Swiss Army Knife for macOS"
},
"o": {
"orbiton": "Config-free text editor and IDE limited to VT100"
},
"q": {
"q": "Tiny and feature-rich command line DNS client with support for UDP, TCP, DoT, DoH, DoQ, and ODoH",
"q-text-as-data": "Run SQL directly on CSV or TSV files"
},
"s": {
"s-search": "Web search from the terminal"
},
"t": {
"t": "Command-line power tool for Twitter",
"timetrap": "Simple command line time tracker written in ruby"
},
"v": {
"vlang": "Simple, fast, safe, compiled language for developing maintainable software"
},
"w": {
"busybox": "Tiny versions of common UNIX utilities in a single small executable",
"darwin.shell_cmds": "Darwin shell commands and the Almquist shell",
"procps": "Utilities that give information about processes using the /proc filesystem",
"toybox": "Lightweight implementation of some Unix command line utilities",
"uutils-procps": "Rust reimplementation of the procps project"
},
"y": {
"yakut": "Simple CLI tool for diagnostics and debugging of Cyphal networks"
},
"z": {
"z-lua": "New cd command that helps you navigate faster by learning your habits"
}
}
import json, os, subprocess as s
os.mkdir("d")
os.symlink(os.environ["NIX_INDEX"], "d/files")
r = {}
for c in map(chr, range(32, 127)):
p = s.check_output(
[
"nix-locate",
"--db",
"d",
"--minimal",
"--at-root",
"--whole-name",
f"/bin/{c}",
],
text=True,
).split()
if p:
r[c] = p
json.dump(r, open(os.environ["out"], "w"), indent=2, sort_keys=True)
{
inputs = {
nix-index-database.url = "github:nix-community/nix-index-database/bc13aeaed568be76eab84df88ff39261bb52ff70";
nixpkgs.follows = "nix-index-database/nixpkgs";
};
outputs =
{ nix-index-database, nixpkgs, ... }:
let
s = [
"x86_64-linux"
"aarch64-linux"
"aarch64-darwin"
];
p =
system:
let
pkgs = import nixpkgs { inherit system; };
l = pkgs.lib;
m = builtins.fromJSON (builtins.readFile (builtins.derivation {
name = "m";
inherit system;
builder = "${pkgs.python3}/bin/python3";
NIX_INDEX = nix-index-database.packages.${system}.nix-index-small-database;
PATH = l.makeBinPath [ pkgs.nix-index-unwrapped ];
args = [ ./binaries.py ];
}));
j = pkgs.writeText "j" (builtins.toJSON (l.mapAttrs (
_: ps:
builtins.listToAttrs (map (
o:
let
p = l.init (l.splitString "." o);
in
{
name = l.concatStringsSep "." p;
value = (l.attrByPath p null pkgs).meta.description or "";
}
) ps)
) m));
in
pkgs.runCommand "binaries.json" { nativeBuildInputs = [ pkgs.jq ]; } "jq . ${j} >$out";
in
{
packages = nixpkgs.lib.genAttrs s (system: { default = p system; });
};
}
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