rogersguedes’s gists

rogersguedes / inotifywait-do.sh

Created May 7, 2020 20:50

sample script that shows how to use `inotifywait` result in a shell script.

	#!/bin/sh
	# Thanks to https://unix.stackexchange.com/questions/24952/script-to-monitor-folder-for-new-files
	inotifywait -m . -e create -e moved_to \|
	while read dir action file; do
	echo "The file '$file' appeared in directory '$dir' via '$action'"
	# do something with the file
	done

rogersguedes / memcmp_idx.c

Created April 17, 2020 22:27

memcmp with unmatched index.


	uint8_t memcmp_idx(uint8_t arr1, uint8_t arr2, size_t len, size_t *diff_idx){
	size_t i = 0;
	uint8_t ret = 0;
	while(i < len)
	{
	if(arr1[i] > arr2[i])
	{
	ret = 1;
	break;

rogersguedes / ptp-calc.py

Created February 5, 2020 16:50

PTP Increment and Addend calculator

	#!/usr/bin/env python
	from tabulate import tabulate
	import math

	def getHexStr(num, dig):
	return '0x{0:0{1}X}'.format(num, dig)

	minClk=50000000.0
	sysClk=216000000.0
	#sysClk=76000000.0

rogersguedes / server-cors.py

Created January 31, 2020 20:13 — forked from mkows/server-cors.py

Allow CORS with python Simple HTTP Server – for Python 3

	'''
	Based on https://gist.github.com/enjalot/2904124 (in Python 2) -> quick-migrated to Python 3

	Usage: python server-cors
	'''
	import http.server as httpserver

	class CORSHTTPRequestHandler(httpserver.SimpleHTTPRequestHandler):
	def send_head(self):
	"""Common code for GET and HEAD commands.

rogersguedes / mysql-backup.sh

Created January 26, 2020 22:56

This scripts generate a mysqldump commands to backup a MySQL database into two separate files. One for tables creation only and other for for data insertion;

	#!/bin/bash
	discendingTime(){
	date '+%Y.%m.%d.%H.%M.%S'
	}
	TIME_NOW=$(discendingTime)
	HOST=$1
	PORT=$2
	USER=$3
	DATABASE=$4
	DB_FILE=$5-${DATABASE}-${TIME_NOW}

rogersguedes / cilide00.js

Last active December 19, 2019 11:06

	// http://www.uel.br/projetos/matessencial/superior/calculo/cilide/cilide00.htm
	// http://www.uel.br/projetos/matessencial/superior/calculo/cilide/cilide00.js
	function testa_entrada(form, button) {calcula_volume(form);return;}
	// r = raio da base do cilindro, h = altura do liquido
	// L = comprimento do cilindro, A = área e V = volume
	function calcula_volume(form) {
	if(form.entrada1.value=="" \|\| form.entrada1.value==" " \|\| form.entrada1.value=="0" \|\| form.entrada2.value=="" \|\| form.entrada2.value==" " \|\| form.entrada2.value=="0" \|\| form.entrada3.value=="" \|\| form.entrada3.value==" " \|\| form.entrada3.value=="0")
	{alert("Existe alguma medida nula. Preencha as caixas de modo correto.");
	return;
	}

rogersguedes / cylinder-tank.py

Last active January 23, 2020 23:55

	#/usr/bin/python
	import math
	r = 47.5
	h = 23.75 # 47.5 #95.0
	L = 150.0
	if h > 2*r:
	print "'h' nao pode ser maior que 'r'"
	exit()
	A_t = math.pi * math.pow(r, 2)
	V_t = A_t * L

rogersguedes / numberToString.py

Created November 21, 2019 17:01

	#!/usr/bin/python
	def getBinStr(num, dig):
	return format(num, '#0'+str(dig+2)+'b')

	def getHexStr(num, dig):
	return '0x{0:0{1}X}'.format(num, dig)

rogersguedes / public-ip-tracker.sh

Created October 15, 2019 13:41

This script check your public IP on checkip.dyndns.org and logs its changes

	#/bin/bash

	LOGFILE_NAME=whatismyip.log

	GATEWAY_IP=192.168.0.1
	IP_PAGE_URL=checkip.dyndns.org
	LAST_IP=`curl -s ${IP_PAGE_URL} \| sed -e 's/.Current IP Address: //' -e 's/<.$//'`
	echo "Initial IP: ${LAST_IP}"

	while true

rogersguedes / openocd-config-backup.sh

Created September 12, 2019 13:36

this scripts copies the first file modified in current folder. It was used to backup a config file generated by SW4STM32 during the OpenOCD firmware upload invocation.

	#!/bin/bash
	# this scripts copies the first file modified in current folder. It was used to backup a config file generated by
	# SW4STM32 during the OpenOCD firmware upload invocation.
	# 'inotifywait' binary is part of 'inotify-tools' package on Ubuntu 18.04.1 LTS
	EVT_OUTPUT=`inotifywait -e modify,create,delete -r .`
	FILE_NAME=`echo ${EVT_OUTPUT} \| sed "s/[^ ]\+\s\+[^ ]\+\s\+$[^ ]\+$/\1/g"`
	cp ${FILE_NAME} ${FILE_NAME}.bak

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