mrjk

#!/bin/bash

# Usage example:
# gen_favicon.sh SVG_FILE.svg OUT_FILE.ico

set -eu

# Generate favicon from official logo
convert -density 300 -define icon:auto-resize=256,128,96,64,48,32,16 -background none $1 $2

mrjk

#!/bin/bash

set -eu
# set -x

install_system()
{
  apt install python3 py3-pip git
  pip install --root-user-action=ignore poetry
}

mrjk

#!/bin/bash

# From: https://gist.github.com/ipedrazas/2c93f6e74737d1f8a791?permalink_comment_id=3704504#gistcomment-3704504

set -eu

function dip() {
        local cols='%-13s %-48s %-40s %-80s'
        _print_container_info() {
            local container_id

mrjk

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Version: 08-2024

# Migrated to: https://github.com/mrjk/python_snippets/blob/main/examples/typer/cli-app-typer.py

"""MyApp CLI interface

This CLI provides a similar experience as the git CLI, but in Python with Typer.

mrjk

#!/bin/bash

# Utility to discover installed binaries

set -eu

path_list ()
{
  tr ':' '\n' <<< "$PATH"

mrjk

#!/bin/bash
# TEMPLATE_VERSION=2024-04-25

# Basic bash template for command/resource based CLI.
# Features:
# * Automatic command discovery and help generation
# * Logging and traces
# * Application dependency checker
# * Support for getopts
# * Return code support

mrjk

Iterations

Loop line over lines, whatever spaces in it:

while IFS= read -r line; do
    echo "... $line ..."
done < <(printf '%s' "$list")

mrjk

{
	"model": {
		"id": "linksys,mr8300",
		"name": "Linksys MR8300 (Dallas)"
	},
	"network": {
		"lan": {
			"device": "eth0",
			"protocol": "static"
		},

mrjk

Ansible Cheat Sheet

Installation

When working on complex project, always install your own version of ansible in a dedicated virtual environment:

virtualenv -p python3 .venv
. .venv/bin/activate

Normally, you have at least a requirements.txt file determining python dependencies versions:

mrjk

#!/bin/bash
# TEMPLATE_VERSION=2023-10-19

# Basic bash template for command/resource based CLI.
# Features:
# * Automatic command discovery and help generation
# * Logging and traces
# * Application dependency checker
# * Support for getopts
# * Return code support