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def process_file oldfilename
  markdown_content = textile_to_markdown(File.read(oldfilename))
  filename = oldfilename.split("/").last.split(".").first.gsub("-", "_")

  File.open("doc_src/content/#{filename}.md", "w") do |f|
    f.write <<-CONTENT
---
title: #{filename.capitalize}
group: Base
---

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# sed -f textile_to_md.sed original.textile > destination.md

s/"\([^"]*\)":\([^\. ]*\.html\)/[\1](\2)/g
s/^h3[^.]*\./###/
s/^h4\./####/
s/^h5\./#####/
s/^<js>$/~~~json/
s/^<\/js>$/~~~/
s/^<plain>$/~~~sh/
s/^<\/plain>$/~~~/

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page.driver.network_traffic.map do |req|
  req.url.gsub(/^(https?:\/\/[^\/]+)\/.*$/, '\1')
end.uniq

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def test1(params)
  p "test1 #{params}"
end

def test2(&block)
  if block_given?
    p "test2 with block"
    yield
  else
    p "test2 without block"

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oldstring="describe"
newstring="RSpec.describe"
path=path/to/files

grep -rl $oldstring $path/* | xargs sed -i '' s/$oldstring/$newstring/g

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# https://github.com/docker/docker/issues/8710#issuecomment-72669844
# 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=192.168.59.3:0 jess/geary

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acionista
acompanhante
acordeonista
açougueiro
acrobata
acupunturista
adivinho
administrador
advogado
aeromoça

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sed -i '' '/expression/d' ./file*

# or, if you have a deep directory tree...
find . -name file* -maxdepth 3 -exec sed -i '' '/expression/d' {} \;

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package main

import (
	"fmt"
	"math"
	"os"
	"strconv"
)

func main() {

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# 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