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

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Closes #712.
This commit is contained in:
Robert Gleeson 2012-09-15 21:24:12 +01:00
parent 6a67ea418a
commit c8dc5d44a7
1 changed files with 3 additions and 2 deletions
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5
lib/pry/pager.rb
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@ -19,9 +19,10 @@ class Pry::Pager
def self.page(text, pager = nil) def self.page(text, pager = nil)
case pager case pager
when nil when nil
`less` rescue nil
no_pager = $?.exitstatus != 0
is_jruby = defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby" is_jruby = defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
is_windows = Pry::Helpers::BaseHelpers.windows? (is_jruby || no_pager) ? SimplePager.new(text).page : SystemPager.new(text).page
(is_jruby || is_windows) ? SimplePager.new(text).page : SystemPager.new(text).page
when :simple when :simple
SimplePager.new(text).page SimplePager.new(text).page
when :system when :system