mattmc3’s gists

mattmc3 / expandShortFlags.go

Created September 4, 2025 01:00

Go expandShortFlags

	// turn -abc5 into -a -b -c5
	// ex:
	// takesValue := map[rune]bool{'c': true}
	// expandedArgs := expandShortOpts(os.Args[1:], takesValue)
	func expandShortFlags(args []string, withValue map[rune]bool) []string {
	var out []string
	doubledash := false
	for _, arg := range args {
	if doubledash {
	out = append(out, arg)

mattmc3 / normalize_flags.sh

Last active June 17, 2025 02:44

Bash getopts - normalize flags

	#!/usr/bin/env bash

	# Normalize --long-flags to -s short ones for use with getopts.
	normalize_flags() {
	local shortopt longopt
	local -a args=()
	local -A spec=()

	# Process option definitions until we hit the -- separator
	while [[ "$#" -gt 0 && "$1" != -- ]]; do

mattmc3 / colorize-paths.awk

Last active March 8, 2025 20:36

awk - Colorize any path in command output

	#!/usr/bin/awk -f

	# colorize-path - add color to paths in specified field
	# usage:
	# command \| ./bin/colorize-paths
	# git ls-tree -r HEAD \| ./bin/colorize-paths -v field=4
	# ls -la \| ./bin/colorize-paths -v field=9
	#

	BEGIN {

mattmc3 / magic-enter.xsh

Created February 26, 2025 21:02

Xonsh magic enter

	from xonsh.built_ins import XSH

	$MAGIC_ENTER_GIT_COMMAND = "git status -sb ."
	$MAGIC_ENTER_OTHER_COMMAND = "ls -lahF ."
	$MAGIC_ENTER_RUN_COMMAND = ""

	@events.on_transform_command
	def magic_enter(cmd, **_):
	"""Custom Enter key behavior: runs 'ls' if no command was given."""
	if not cmd.strip():

mattmc3 / get-script-dir.fish

Created February 26, 2025 13:21

Fish: Get directory of current script

	#!/usr/bin/env fish
	path resolve (status --current-filename)/..

mattmc3 / prompt.sh

Created February 26, 2025 12:48

Bash prompt bottom padding

	# 5 lines from the bottom
	PS1=$'\n\n\n\n\n\e[5A'"$PS1"

mattmc3 / alter_table.sql

Created February 21, 2025 00:35

Add audit fields to pg table

	ALTER TABLE public.mytable
	ADD COLUMN add_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
	ADD COLUMN add_user VARCHAR(255) NOT NULL DEFAULT current_user,
	ADD COLUMN change_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
	ADD COLUMN change_user VARCHAR(255) NOT NULL DEFAULT current_user;

mattmc3 / pop_dim_date.sql

Last active February 20, 2025 23:47

Create postgresql date dimension

	create table public.dim_date
	(
	id integer not null
	primary key,
	date_value date not null
	unique,
	datetime_value timestamp not null,
	calendar_year integer not null,
	calendar_month integer not null,
	calendar_day integer not null,

mattmc3 / keychron_v2_ansi_layout_ansi_67_2025-02-16.json

Last active February 16, 2025 18:54

config.qmk.fm Extend layout

	{
	"version": 1,
	"notes": "",
	"documentation": "\"This file is a QMK Configurator export. You can import this at <https://config.qmk.fm>. It can also be used directly with QMK's source code.\n\nTo setup your QMK environment check out the tutorial: <https://docs.qmk.fm/#/newbs>\n\nYou can convert this file to a keymap.c using this command: `qmk json2c {keymap}`\n\nYou can compile this keymap using this command: `qmk compile {keymap}`\"\n",
	"keyboard": "keychron/v2/ansi",
	"keymap": "keychron_v2_ansi_layout_ansi_67_2025-02-16",
	"layout": "LAYOUT_ansi_67",
	"layers": [
	[
	"KC_ESC",

mattmc3 / ignore_markdown_dollar.sh

Created October 3, 2024 15:16

Bash + ble.sh - fix markdown copy/paste commands by stripping leading dollar sign '$'

	# Strip leading dollar signs. Fixes commands pasted from markdown.
	# Requires ble.sh: https://github.com/akinomyoga/ble.sh
	# shellcheck disable=SC2016
	ble/function#advice around ble/widget/default/accept-line '
	if [[ "${_ble_edit_str:0:2}" == "$ " ]]; then
	ble/widget/beginning-of-logical-line
	ble/widget/insert-string "${_ble_edit_str:2}"
	ble/widget/kill-forward-logical-line
	fi
	ble/function#advice/do

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