Sebastian Pająk spajak

Make epub archive using 7zip command line utility in PowerShell.

$source = ".\ebook"
$epub = ".\ebook.epub"

$source = (Resolve-Path $source -ErrorAction Stop).Path
Move-Item "${source}\mimetype" ".mimetype" -ErrorAction Stop
Remove-Item "$epub" -ErrorAction Ignore
&amp; 7za a -mx0 "$epub" ".mimetype"

Creating additional virtual hard disk (VHDX) for WSL2 with ext4 filesystem

Lines starting with # mean the commands have to be executed by root user under Linux shell (WSL distro). All other commands have to be executed under Windows-PowerShell as Administrator.

Make VHDX disk file and mount it under Windows

New-VHD support.vhdx -SizeBytes 25GB -Dynamic -BlockSizeBytes 1MB
Write-Output "\\.\PhysicalDrive$((Mount-VHD -Path support.vhdx -PassThru | Get-Disk).Number)"

Improve/Repair Scanned Images Using ImageMagick

This is the command:

magick "img-01.tiff" -strip -kuwahara "1.5" -modulate "100,90" -level "6,92%,0.75" -quality 80 "img-01.jpg"

-strip - remove any metadata
-kuwahara "1.5" - apply smoothing algorithm

	#!/bin/bash

	cpu=$(</sys/class/thermal/thermal_zone0/temp)
	cpu=$(printf %.1f "${cpu}e-3")

	gpu=$(vcgencmd measure_temp)
	gpu=${gpu:5:-2}

	echo "CPU: ${cpu} °C"
	echo "GPU: ${gpu} °C"

	import sys
	from pathlib import Path
	import importlib
	import runpy

	def require(file, name=None):
	if name is None:
	name = Path(file).stem
	anonymous = lambda cls: cls(name, str(Path(__file__).parent / file))
	@anonymous

	<?php

	/*
	* Simple directory listing for a web server (lighttpd).
	*
	* Author: Sebastian Pająk
	* Version: 0.0.1
	* License: MIT
	*
	* Setup:

	import sys
	from pathlib import Path
	from zipfile import ZipFile, ZIP_DEFLATED, ZIP_STORED

	def main():
	usage = f'{sys.argv[0]} source_dir [destination_file]'
	if len(sys.argv) > 1:
	src = Path(sys.argv[1])
	dst = Path(sys.argv[2]) if len(sys.argv) > 2 else Path(src.name + ".epub")
	validate(src, dst)