lapo-luchini’s gists

lapo-luchini / zsh_history_sort.js

Created October 8, 2024 20:20

Sort extended ZSH history (works with multi-line entries)

	#! /usr/bin/env node
	const fs = require('fs');
	const lines = fs.readFileSync(process.argv[2], 'utf8').split(/(?<=[^\\])\n/);
	lines.sort((a, b) => a.split(/:/)[1] - b.split(/:/)[1]);
	fs.writeFileSync(process.argv[2], lines.join('\n'), 'utf8');

lapo-luchini / hetznerInvoicesCSV.js

Last active November 29, 2023 11:25

Download all CSV invoices from Hetzner

	let elem = Array.prototype.slice.call(document.getElementsByClassName('btn-download')).map(e=>e.href).filter(u=>u.endsWith('/csv'));
	let numbers = elem.map(u=>/invoice[/]([^/]+)/.exec(u)[1]);
	let filename = 'invoice-' + numbers[0] + '-' + numbers[numbers.length - 1] + '.csv';
	let csv = '';
	for (let url of elem)
	csv += await (await fetch(url)).text();
	let a = document.createElement("a");
	a.download = filename;
	a.href = a.href = "data:text/csv,"+encodeURIComponent(csv);
	a.click();

lapo-luchini / decodeKNX.mjs

Created July 1, 2023 14:46

Decode encrypted KNX project using NodeJS

	import util from 'node:util';
	import * as fs from 'node:fs/promises';
	import * as crypto from 'node:crypto';
	import Minizip from 'minizip-asm.js';

	const
	reFile = /^P-[0-9A-F]{4}([/]0[.]xml\|[.]zip)$/,
	pbkdf2 = util.promisify(crypto.pbkdf2);

	export async function decodeProject(proj, password) {

lapo-luchini / satispay-qif.sh

Created July 1, 2023 11:29

Convert SatisPay CSV export to QIF format

	#!/bin/sh
	export LANG=C
	cat Satispay-*.csv \| \
	gawk -F ' , ' '
	NR>1 {
	match(substr($5, 2), "^([0-9]{1,2}) ([a-z]{3}) ([0-9]{4})$", a)
	switch (a[2]) {
	case /gen\|jan/: a[2] = "01"; break;
	case "feb": a[2] = "02"; break;
	case "mar": a[2] = "03"; break;

lapo-luchini / tmuxSetup.sh

Last active February 18, 2023 17:43

Open a few `tmux` tabs with specific name and commands

	#!/bin/sh
	awk -F"\t" -vq="'" '{
	t=system("tmux new-window -n " q $1 q)
	system("tmux send-keys -t " q t q " " q $2 q " C-m")
	}' <<EOF # commands can contain ", but avoid ' and tabs
	tab1 echo command on tab 1
	tab2 echo command on tab 2
	tab3 echo tab 3 ; echo "tab 3 cmd 2"
	EOF

lapo-luchini / md5le.js

Last active May 7, 2022 12:50

Automate solution of MD5LE

	// https://md5le.vercel.app/

	const
	url = 'https://raw.githubusercontent.com/dwyl/english-words/master/words_alpha.txt',
	fs = require('fs').promises,
	hash = require('crypto').createHash('md5'),
	rl = require('readline/promises').createInterface({
	input: process.stdin,
	output: process.stdout
	}),

lapo-luchini / createPDF.html

Created February 24, 2022 10:33

Create a custom PDF in base64 form (with preview)

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset='utf-8'>
	<title>Generate PDF</title>
	<script src="https://github.com/devongovett/pdfkit/releases/download/v0.6.2/pdfkit.js"></script>
	<script src="https://github.com/devongovett/blob-stream/releases/download/v0.1.2/blob-stream-v0.1.2.js"></script>
	<style>
	html,

lapo-luchini / zrepl_cert_gen.sh

Created October 5, 2021 23:37

A script to create a local CA for you zrepl installation. Uses elliptic curves and SANs to be compatible with latest go.

	#!/bin/sh
	if [ $# -ne 1 ]; then
	echo "Usage: $0 FQDN"
	exit 1
	fi
	cd `dirname "$0"`
	if [ ! -f ca.crt ]; then
	openssl ecparam -genkey -name prime256v1 -out ca.key
	openssl req -x509 -new -SHA256 -nodes -days 3652 -subj "/CN=Root CA/OU=zrepl/O=YourName/C=IT" -key ca.key -out ca.crt
	fi

lapo-luchini / number100.js

Last active October 5, 2021 22:53

Generates flashcards to study multiplications and division of numbers up to 100. Can be imported into Anki via the File→Import option, use "Basic" type cards.

	// generates flashcards to study multiplications and division of numbers up to 100
	// can be imported into Anki via the File→Import option, use "Basic" type cards
	let x = {};
	for (let a = 2; a <= 100; ++a)
	x[a] = [];
	for (let a = 2; a < 100; ++a)
	for (let b = a; b < 100; ++b) {
	let m = a * b;
	if (m > 100)
	continue;

lapo-luchini / smartmon_exporter.sh

Last active February 19, 2021 16:13 — forked from hadret/smartmon.sh

smartmon.sh script adapted for FreeBSD

	#!/bin/sh
	# Script informed by the collectd monitoring script for smartmontools (using smartctl)
	# by Samuel B. <samuel_._behan_(at)_dob_._sk> (c) 2012
	# source at: http://devel.dob.sk/collectd-scripts/

	# TODO: This probably needs to be a little more complex. The raw numbers can have more
	# data in them than you'd think.
	# http://arstechnica.com/civis/viewtopic.php?p=22062211

	# can be add to /etc/crontab like this, and node_exporter will see it automatically:

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