33 lines
648 B
Ruby
Executable File
33 lines
648 B
Ruby
Executable File
#!ruby -w
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require 'diff/lcs'
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require 'diff/lcs/htmldiff'
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begin
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require 'text/format'
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rescue LoadError
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Diff::LCS::HTMLDiff.can_expand_tabs = false
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end
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if ARGV.size < 2 or ARGV.size > 3
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$stderr.puts "usage: #{File.basename($0)} old new [output.html]"
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$stderr.puts " #{File.basename($0)} old new > output.html"
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exit 127
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end
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left = IO.read(ARGV[0]).split($/)
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right = IO.read(ARGV[1]).split($/)
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options = { :title => "diff #{ARGV[0]} #{ARGV[1]}" }
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htmldiff = Diff::LCS::HTMLDiff.new(left, right, options)
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if ARGV[2]
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File.open(ARGV[2], "w") do |f|
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htmldiff.options[:output] = f
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htmldiff.run
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end
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else
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htmldiff.run
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end
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