Class: Knj::Cmd_gen

Inherits:
Object show all
Defined in:
lib/knj/cmd_gen.rb

Overview

This class holds various methods to generate commands for command-line-purpose.

Class Method Summary collapse

Class Method Details

.rsync(args) ⇒ Object

Generates rsync commands as strings. ===Examples Knj::Cmd_gen.rsync( :bin => "/usr/bin/rsync", :verbose => 2, :ssh => true, :port => 10022, :delete => true, :exclude => "cache", :user => "username", :host => "mydomain.com", :dir_host => "/home/username/sync_path", :dir_local => "/home/otheruser/sync_path" ) #=> 



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# File 'lib/knj/cmd_gen.rb', line 17

def self.rsync(args)
  cmd = ""
  
  if args[:bin]
    cmd << args[:bin]
  else
    cmd << "rsync"
  end
  
  cmd << " -az"
  
  if args[:verbose]
    1.upto(args[:verbose]) do
      cmd << "v"
    end
  end
  
  if args[:ssh]
    cmd << " -e ssh"
    
    if args[:port]
      cmd << " --rsh='ssh -p #{args[:port]}'"
    end
  end
  
  if args[:delete]
    cmd << " --delete"
  end
  
  if args[:exclude]
    args[:exclude].each do |dir|
      cmd << " --exclude \"#{dir}\""
    end
  end
  
  cmd << " \"#{args[:user]}@#{args[:host]}:#{args[:dir_host]}\" \"#{args[:dir_local]}\""
  
  return cmd
end

.tar(args) ⇒ Object

Generates tar commands. ===Examples Knj::Cmd_gen.tar( :bin => "/usr/bin/tar", :gzip => true, :extract => false, :file => true, :create => true, :verbose => 1, :archive_path => "~/myarchive.tar.gz", :paths => ["~/mylib1", "~/mylib2", "~/mylib3"] ) #=> 



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# File 'lib/knj/cmd_gen.rb', line 69

def self.tar(args)
  cmd = ""
  
  if args[:bin]
    cmd << args[:bin]
  else
    cmd << "tar"
  end
  
  cmd << " "
  cmd << "z"if args[:gzip]
  cmd << "x" if args[:extract]
  cmd << "f" if args[:file]
  cmd << "c" if args[:create]
  
  if args[:verbose]
    1.upto(args[:verbose]) do
      cmd << "v"
    end
  end
  
  cmd << " \"#{args[:archive_path]}\""
  
  args[:paths].each do |path|
    cmd << " \"#{path}\""
  end
  
  return cmd
end