prawn:Prawn::Table::Cell :align
#!/usr/bin/env ruby require "prawn" require "prawn/layout" pdf = Prawn::Document.new Prawn::Table::Cell.new(:document => pdf, :point => [100, 500], :text => "sample text", :width => 200, :align => :right).draw pdf.render_file(File.basename($0, ".rb") + ".pdf")