colemar

Extract key frames and scenecuts from video

  Usage: videoframes [OPTION] FILE
  Extract key frames and scenecuts from video FILE.

  -k  key frames only
  -s  scenecuts only

  Creates jpg pictures containing a mosaic of thumbnails of the selected frames.

Manage Wireguard peers (IPv4 only)

List, add or delete Wireguard peers. Also show client configuration for already added peers.

wg-peer [add [<desc>]|show <peer>|del <peer> ...|list]

where:

a[dd] add a new peer

Find Files in Time Range

Recursively search for all files whose last modification time is in a specified range.

fftr path {time|file} range [b]

where:

path is where to start the search

	# This function might seem like an over-engineered approach to the problem of accepting named arguments,
	# but it ultimately proves to be a flexible, secure, simple-to-use, and reasonably efficient solution.
	#
	# Usage Protocol for the get_args helper function:
	#
	# A generic function func() (or main program) must adhere to the following contract:
	# 1. Define Parameter Specifications: The function must declare an associative array named 'params'.
	# This array serves two purposes: it acts as a whitelist of accepted parameter names and defines their default values.
	# If a parameter has '?' as default value it is deemed as required. Default value '?' is forbidden for optional parameters.
	# 2. Consume and shift out all initial fixed positional arguments.

	ProblemType: Crash
	Architecture: amd64
	Date: Mon Oct 27 12:46:22 2025
	Dependencies:
	adduser 3.137ubuntu1
	adwaita-icon-theme 46.0-1
	alsa-topology-conf 1.2.5.1-2
	alsa-ucm-conf 1.2.10-1ubuntu5.7
	apport 2.28.1-0ubuntu3.8

	ffprobe in.mkv -v error -select_streams v:0 -show_frames -skip_frame nokey -print_format csv \| gawk -F, "/^frame/{print $22,$22-n;n=$22}"
	ffprobe in.mkv -v error -select_streams v:0 -show_frames -skip_frame nokey -show_entries frame=pts_time -print_format csv \| gawk -F, "/^frame/{printf \"%.0f %.0f\n\",$223.976,($2-n)23.976;n=$2}"
	ffprobe in.mkv -v error -select_streams v:0 -show_entries packet=pts_time,flags -print_format csv \| gawk -F, "$3~\"^K\"{printf \"%.0f %.0f\n\",$223.976,($2-n)23.976;n=$2}"

	ipaddr=144.24.81.189
	[[ "$ipaddr." =~ ^((25[0-5]\|2[0-4][0-9]\|1[0-9][0-9]\|[1-9]?[0-9])[.]){4}$ ]] && echo "Well formed" \|\| echo "Syntax error"

	sudo wget https://gist.github.com/colemar/727125dea3d17543b1099ccff84f6eda/raw/88dd98c6283d9586248e9644023b4bb37ee1799f/gil -o /usr/local/bin/gil
	sudo chmod +x /usr/local/bin/gil