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ggarnier /
Created May 7, 2021 12:44
Remove duplicates from .bash_history
# This script removes duplicate lines from .bash_history file.
# It preserves the order from the latest usage of each command,
# to make it easier to search with ctrl+r
from os import path
bash_history_path = path.expanduser("~/.bash_history")
with open(bash_history_path, "r") as f:
lines = f.readlines()
ggarnier /
Last active November 10, 2023 21:22
ffmpeg commands
# Adding blurred boxes
# - build a layer called b0, a blurred box with size 100x50 and offset 600x50, between 23s and 31s
# - build a layer called b1, a blurred box with size 300x80 and offset 190x270, between 37s and 49s
# - merge the original video and b0 on ovr0
# - merge ovr0 and b1 to build output
ffmpeg -i input.mp4 -filter_complex \
"[0:v]crop=100:50:600:150,boxblur=10:enable='between(t,23,31)'[b0]; \
[0:v]crop=300:80:190:270,boxblur=10:enable='between(t,37,49)'[b1]; \
[0:v][b0]overlay=600:150[ovr0]; \
[ovr0][b1]overlay=190:270[output]" \
ggarnier / gist:fc306a58d9c6ec185545a3d944c9b8a3
Last active April 8, 2019 14:37
Adicionar certificados digitais da Receita Federal no Ubuntu
sudo mkdir -p /usr/share/ca-certificates/extra
for f in *.cer; do mv $f ${f%.*}.crt; done
sudo mv *.crt /usr/share/ca-certificates/extra/
sudo dpkg-reconfigure ca-certificates
# Search available packages with "gimp" in the name or description
apt-cache search gimp
# Check available versions for package "gimp"
apt-cache madison gimp
# Check installed and available versions for package "gimp"
apt-cache policy gimp
# List packages installed via apt
package main
import (
func main() {
ggarnier / remove_line.sed
Created January 14, 2016 11:06
Remove line from files using sed
sed -i '' '/expression/d' ./file*
# or, if you have a deep directory tree...
find . -name file* -maxdepth 3 -exec sed -i '' '/expression/d' {} \;
ggarnier / gist:51bc2f10ff991af5d97a
Created December 18, 2015 15:23
Lista de profissões
ggarnier /
Created September 29, 2015 20:58
Run graphical applications in Docker containers in OSX
# display IP address isn't boot2docker ip, it's the address from vboxnet0 (run `ifconfig`)
brew install socat
brew cask install xquartz
open -a XQuartz
socat TCP-LISTEN:6000,reuseaddr,fork UNIX-CLIENT:\"$DISPLAY\"
# in another window
docker run -e DISPLAY= jess/geary
ggarnier / find_replace.sed
Last active September 3, 2015 18:28
Find/replace in multiple files
grep -rl $oldstring $path/* | xargs sed -i '' s/$oldstring/$newstring/g
ggarnier / block_test.rb
Created August 6, 2015 15:58
Ruby block has a different priority when using "do..end" or "{}"
def test1(params)
p "test1 #{params}"
def test2(&block)
if block_given?
p "test2 with block"
p "test2 without block"