Don't try to run the system pager if 'less' is not available.

Closes #712.
2012-09-15 21:24:12 +01:00 · 2012-09-15 21:24:12 +01:00 · c8dc5d44a7
parent 6a67ea418a
commit c8dc5d44a7
1 changed files with 3 additions and 2 deletions
--- a/lib/pry/pager.rb
+++ b/lib/pry/pager.rb
@ -19,9 +19,10 @@ class Pry::Pager
  def self.page(text, pager = nil)
    case pager
    when nil
+      `less` rescue nil
+      no_pager = $?.exitstatus != 0
      is_jruby = defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
-      is_windows = Pry::Helpers::BaseHelpers.windows?
-      (is_jruby || is_windows) ? SimplePager.new(text).page : SystemPager.new(text).page
+      (is_jruby || no_pager) ? SimplePager.new(text).page : SystemPager.new(text).page
    when :simple
      SimplePager.new(text).page
    when :system