27 lines
1,000 B
Text
Executable file
27 lines
1,000 B
Text
Executable file
require 'rubygems'
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require 'irb/completion'
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# Use the simple prompt if possible.
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IRB.conf[:PROMPT_MODE] = :SIMPLE if IRB.conf[:PROMPT_MODE] == :DEFAULT
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# Setup permanent history.
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HISTFILE = "~/.irb_history"
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MAXHISTSIZE = 10000
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begin
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histfile = File::expand_path(HISTFILE)
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if File::exists?(histfile)
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lines = IO::readlines(histfile).collect { |line| line.chomp }
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puts "Read #{lines.length} saved history commands from '#{histfile}'." if $VERBOSE
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Readline::HISTORY.push(*lines)
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else
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puts "History file '#{histfile}' was empty or non-existent." if $VERBOSE
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end
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Kernel::at_exit do
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lines = Readline::HISTORY.to_a.reverse.uniq.reverse
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lines = lines[-MAXHISTSIZE, MAXHISTSIZE] if lines.length > MAXHISTSIZE
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puts "Saving #{lines.length} history lines to '#{histfile}'." if $VERBOSE
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File::open(histfile, File::WRONLY|File::CREAT|File::TRUNC) { |io| io.puts lines.join("\n") }
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end
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rescue => e
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puts "Error when configuring permanent history: #{e}" if $VERBOSE
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end
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