wteuber

tokens = [/^:61/, /^:62F:/]

mt940 = <<MT940
:20:951110
:25:45050050/76198810
:28:27/01
:60F:C951016DEM84349,74
:61:951017D6800,NCHK16703074
:86:999PN5477SCHECK-NR. 0000016703074
:61:951017D620,3NSTON

wteuber

#!/usr/bin/env ruby
# encoding: utf-8

require 'yaml'
require 'active_support/hash_with_indifferent_access'

class Hash
  def self.new_from_hash_copying_default(hash)
    hash = hash.to_hash
    new(hash).tap do |new_hash|

wteuber

#define file extensions that should be regarded

EXT=(css ejs erb gemspec gitignore html js json md mustache rake rb rdoc rspec ru scss sh sql txt ui xml xsd yardopts yml)
EXT=$(printf "\|%s" "${EXT[@]}")
EXT=${EXT:2}

# git:
git ls-files "*.*" | grep "\.\($EXT\)$" | sed "s/^/\'/; s/$/\'/;" | xargs sed -i -e '$a\'

wteuber

# plain
find . -name '*.*' | sed 's/.*\.//' | sort -u | tr "\n" " "

# git
git ls-files "*.*" | sed 's/.*\.//' | sort -u | tr "\n" " "


# Explained
#   find . -name '*.*'  # List all files containing a '.'
#   git ls-files "*.*"  # List all tracked files containing a '.'

wteuber

module Foo
  include ActiveSupport::Configurable
  class << self
    def configure
      yield config
    end
  end
end

Foo.configure do |config|

wteuber

# cat, print file.bin's binary content
 cat file.bin
 # => 

# DUMP - convert binary content to hex string
 xxd -p file.bin | tr -d '\n'
 # => 48656c6c6f20576f726c640a

# RESTORE - convert hex string to binary content
 echo 48656c6c6f20576f726c640a | xxd -r -p

wteuber

# DUMP
mkdir -p ~/backup
dpkg --get-selections > ~/backup/Package.list
sudo cp -R /etc/apt/sources.list* ~/backup/
sudo apt-key exportall > ~/backup/Repo.keys

# RESTORE
sudo apt-key add ~/backup/Repo.keys
sudo cp -R ~/backup/sources.list* /etc/apt/
sudo apt-get update

wteuber

params = Hash[[*'a'..'j'].zip([*1..10])] # => {"a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5, "f"=>6, "g"=>7, "h"=>8, "i"=>9, "j"=>10}
slice_keys = ['a','f','g']

filter = -> (key, _) { slice_keys.include?(key) }
slice = params.select &filter
params.delete_if &filter

slice   # => {"a"=>1, "f"=>6, "g"=>7}
params  # => {"b"=>2, "c"=>3, "d"=>4, "e"=>5, "h"=>8, "i"=>9, "j"=>10}

wteuber

require 'digest'
result = Hash.new() { |hash, key| hash[key] = [] }
Dir['**/*'].each do |file|
  if File.file?(file)
    result[Digest::MD5.new.file(file).to_s] << file
  end
end
result

wteuber

ls **/en.yml **/de.yml | grep -v spec| tar -czf archive.tgz -T -