65 lines
1.7 KiB
Plaintext
65 lines
1.7 KiB
Plaintext
[[Kategorie:Wissen]][[Kategorie:Ruby]]
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Den folgenden Code einfach in die ~/.irbrc tun und schon steht die besschriebene Funktionalität zur Verfügung.
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=History=
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<pre>
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HISTFILE = "~/.irb.hist"
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MAXHISTSIZE = 10000
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begin
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if defined? Readline::HISTORY
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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 %d saved history commands from %s." %
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[ lines.nitems, histfile ] if $DEBUG || $VERBOSE
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Readline::HISTORY.push( *lines )
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else
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puts "History file '%s' was empty or non-existant." %
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histfile if $DEBUG || $VERBOSE
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end
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Kernel::at_exit {
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lines = Readline::HISTORY.to_a.reverse.uniq.reverse
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lines = lines[ -MAXHISTSIZE, MAXHISTSIZE ] if lines.nitems > MAXHISTSIZE
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$stderr.puts "Saving %d history lines to %s." %
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[ lines.length, histfile ] if $VERBOSE || $DEBUG
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File::open( histfile, File::WRONLY|File::CREAT|File::TRUNC ) {|ofh|
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lines.each {|line| ofh.puts line }
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}
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}
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end
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end
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</pre>
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=ri in irb=
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<pre>
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def ri arg
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puts `ri #{arg}`
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end
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class Module
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def ri(meth=nil)
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if meth
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if instance_methods(false).include? meth.to_s
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puts `ri #{self}##{meth}`
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else
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super
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end
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else
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puts `ri #{self}`
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end
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end
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end
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</pre>
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=Tab completion und Einrückung=
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<pre>
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IRB.conf[:AUTO_INDENT] = true
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IRB.conf[:USE_READLINE] = true
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IRB.conf[:LOAD_MODULES] ||= []
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IRB.conf[:LOAD_MODULES] |= ['irb/completion']
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</pre>
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Alternative: [http://www.rubyinside.com/wirble-tab-completion-and-syntax-coloring-for-irb-336.html Wirble]
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{{Rübÿ Spëëd Mëtäl Cödïng}}
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