rindeal’s gists

rindeal / matrixish.sh

Created November 6, 2015 13:11

Matrixish

	#!/bin/bash
	#
	# matrix: matrix-ish display for Bash terminal
	# Author: Brett Terpstra 2012 <http://brettterpstra.com>
	# Contributors: Lauri Ranta and Carl <http://blog.carlsensei.com/>
	#
	# A morning project. Could have been better, but I'm learning when to stop.

	### Customization:
	blue="\033[0;34m"

rindeal / LinDiophantineEqSolver.c

Last active April 19, 2024 11:36

Linear Diophantine Equation Solver, includes calculations of coefficients of Bézout's identity and extended Euclidean algorithm for greatest common divisor.

	int64_t
	GCD(int64_t const a, int64_t const b)
	{
	register int64_t rt, r0 = a, r1 = b; // remainder

	while (r1 != 0){
	// classic Euclidean algorithm
	rt = r1;
	r1 = r0 % r1;
	r0 = rt;

rindeal / interrupts_stats.sh

Last active July 26, 2018 13:49

Pretty print /proc/interrupts

	#!/bin/sh

	sed -r -e 's/^ *//' -e 's/ {2,}/\|/g' < /proc/interrupts \| \
	awk -F'\|' '
	BEGIN { cpu_n = 0; }
	NR == 1 {
	for(i = 1; i <= NF; i++)
	if($i ~ CPU)
	cpu_n++;
	}

rindeal / find_outdated_desktop_files.sh

Last active March 4, 2016 14:15

Find outdated .desktop files

	#!/bin/bash -

	grep -a -r -P -o '(?:(?<=Exec=)([^"]\S+)\|(?<=Exec=")(\S+)(?="))' \
	-- /{usr,home/*/.local}/share/applications \| sort -u \| \
	while read m; do
	desktop_file="${m%:*}"
	exec_name="${m##*:}"

	if ! command -v "$exec_name" 2>&1 >/dev/null; then
	echo "$desktop_file\|$exec_name"

rindeal / df-him.png

Last active July 16, 2016 17:01

Colorized `df -h` and `df -hi` merged together -> df -hi(mproved)

rindeal / clear_cache.sh

Last active December 3, 2015 22:36

OpenCart (vqMod) toolbox

	#!/bin/bash
	# Clear OpenCart (vqMod) caches

	rm -rf ./system/cache/{cache,smp/}
	rm -rf ./vqmod/vqcache/*
	rm -f ./vqmod/*.cache

rindeal / Linux file IO monitoring.sh

Last active April 19, 2024 10:35

Linux file IO monitoring sysdig read/write/open files

	#!/bin/sh
	sudo sysdig -p '%proc.name\|%evt.arg.fd.name' \
	'evt.dir=> and ( fd.type=file or fd.type=directory ) and fd.name!=""' \| \
	awk -F\\| '
	BEGIN{
	OFS="\|"
	}

	$2!~/^<f>\/(dev\|proc\|run\|sys).*/ {
	print $1,substr($2,4);

rindeal / stack.sh

Last active July 29, 2016 23:13 — forked from bmc/stack.sh

A stack implementation, in bash

	#!/bin/bash
	# A stack, using bash arrays.
	#
	# Based on: https://gist.github.com/bmc/1323553 by Brian Clapper (bmc) <[email protected]>
	# ---------------------------------------------------------------------------


	# Check if a stack exists
	#
	# Usage: stack_exists name

rindeal / wrap.sh

Created October 21, 2016 23:17

`fold` command wrapper which performs text wrapping and optionally commenting

	#!/bin/sh

	opts=""
	comment=0
	nocomment=0

	while getopts bchsVw: opt; do
	case $opt in
	b)
	opts="$opts -b"

rindeal / libstdc++_upgrade_packages.sh

Created October 21, 2016 23:51

libstdc++_upgrade_packages.sh

	#!/bin/bash -
	# CREATED: 9.8.2015 01:04

	set -o nounset # Treat unset variables as an error

	IFS=: read -ra pathComponents <<<"$PATH"
	while IFS= read -rd '' x; do
	ldd -r -- "$x" \| grep -q libstdc++ && bins+=("$x")
	done < <(find "${pathComponents[@]}" -type f -executable -print0)

	#!/bin/sh
	sudo sysdig -p '%proc.name\|%evt.arg.fd.name' \
	'evt.dir=> and ( fd.type=file or fd.type=directory ) and fd.name!=""' \| \
	awk -F\\| '
	BEGIN{
	OFS="\|"
	}

	$2!~/^<f>\/(dev\|proc\|run\|sys).*/ {
	print $1,substr($2,4);