Poincare

ruby file-ops-v2.rb output --stderr filename

Poincare

require 'thor'

class FileOp < Thor
  desc 'output FILE_NAME', 'print out the contents of FILE_NAME'
  option :stderr, :type => :boolean

  def output(file_name)
    #options[:stderr] is either true or false depending
    #on whether or not --stderr was passed
    contents = File.read(file_name)

Poincare

Usage:
  file_op_v1.rb output FILE_NAME

print out the contents of FILE_NAME

Poincare

ruby file-op.rb help output

Poincare

require 'thor'

class FileOp < Thor
  desc 'output FILE_NAME', 'print out the contents of FILE_NAME'

  def output(file_name)
    puts File.read(file_name)
  end
end

Poincare

Commands:
  first_steps.rb help [COMMAND]  # Describe available commands or one specific command
  first_steps.rb hi NAME         # say hello to NAME

Poincare

require 'thor'

class SayHi < Thor
  desc "hi NAME", "say hello to NAME"

  def hi(name)
    puts "Hi #{name}!"
  end
end

Poincare

use Getopt::Long;
my $data = "file.dat";
my $length = 24;
my $verbose;

GetOptions("length=i" => \$length, 
          "file=s" => \$data,
          "verbose" => \$verbose) or die("Error in command line arguments");

Poincare

while (1)
         {
           static struct option long_options[] =
             {
               /* These options set a flag. */
               {"verbose", no_argument,       &verbose_flag, 1},
               {"brief",   no_argument,       &verbose_flag, 0},
               /* These options don't set a flag.
                  We distinguish them by their indices. */
               {"add",     no_argument,       0, 'a'},

Poincare

git remote add dokku git@HOSTNAME:APPNAME
git push dokku master