# File lib/pry/pager.rb, line 66 def self.available? if @system_pager.nil? @system_pager = begin pager_executable = default_pager.split(' ').first %xwhich #{ pager_executable }` rescue false end else @system_pager end end
# File lib/pry/pager.rb, line 55 def self.default_pager pager = ENV["PAGER"] || "" # Default to less, and make sure less is being passed the correct options if pager.strip.empty? or pager =~ /^less\s*/ pager = "less -R -S -F -X" end pager end
# File lib/pry/pager.rb, line 79 def initialize(*) super @pager = SystemPager.default_pager end
# File lib/pry/pager.rb, line 84 def page IO.popen(@pager, 'w') do |io| io.write @text end end