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U:RDoc::NormalClass[iI"IO:ET@I"Object;To:RDoc::Markup::Document:@parts[ o;;[ : @fileI"ext/io/console/console.c;T:0@omit_headings_from_table_of_contents_below0o;;[o:RDoc::Markup::Paragraph;[I"SExpect library adds the IO instance method #expect, which does similar act to ;TI"tcl's expect extension.;To:RDoc::Markup::BlankLine o;;[I":In order to use this method, you must require expect:;T@o:RDoc::Markup::Verbatim;[I"require 'expect' ;T:@format0o;;[I""Please see #expect for usage.;T; I"ext/pty/lib/expect.rb;T; 0o;;[!o;;[I"AThe IO class is the basis for all input and output in Ruby. ;TI"JAn I/O stream may be <em>duplexed</em> (that is, bidirectional), and ;TI"=so may use more than one native operating system stream.;T@o;;[ I"PMany of the examples in this section use the File class, the only standard ;TI"Lsubclass of IO. The two classes are closely associated. Like the File ;TI"Hclass, the Socket library subclasses from IO (such as TCPSocket or ;TI"UDPSocket).;T@o;;[I"NThe Kernel#open method can create an IO (or File) object for these types ;TI"of arguments:;T@o:RDoc::Markup::List: @type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;[o;;[I"FA plain string represents a filename suitable for the underlying ;TI"operating system.;T@o;;0;[o;;[ I"EA string starting with <code>"|"</code> indicates a subprocess. ;TI"CThe remainder of the string following the <code>"|"</code> is ;TI"Ainvoked as a process with appropriate input/output channels ;TI"connected to it.;T@o;;0;[o;;[I"BA string equal to <code>"|-"</code> will create another Ruby ;TI"instance as a subprocess.;T@o;;[I"PThe IO may be opened with different file modes (read-only, write-only) and ;TI"Jencodings for proper conversion. See IO.new for these options. See ;TI"LKernel#open for details of the various command formats described above.;T@o;;[I"HIO.popen, the Open3 library, or Process#spawn may also be used to ;TI"1communicate with subprocesses through an IO.;T@o;;[ I"DRuby will convert pathnames between different operating system ;TI"Econventions if possible. For instance, on a Windows system the ;TI"Cfilename <code>"/gumby/ruby/test.rb"</code> will be opened as ;TI"J<code>"\gumby\ruby\test.rb"</code>. When specifying a Windows-style ;TI"Cfilename in a Ruby string, remember to escape the backslashes:;T@o; ;[I" "C:\\gumby\\ruby\\test.rb" ;T;0o;;[I"@Our examples here will use the Unix-style forward slashes; ;TI"LFile::ALT_SEPARATOR can be used to get the platform-specific separator ;TI"character.;T@o;;[ I"OThe global constant ARGF (also accessible as <code>$<</code>) provides an ;TI"FIO-like stream which allows access to all files mentioned on the ;TI"Pcommand line (or STDIN if no files are mentioned). ARGF#path and its alias ;TI"OARGF#filename are provided to access the name of the file currently being ;TI" read.;T@S:RDoc::Markup::Heading: leveli: textI"io/console;T@o;;[I"HThe io/console extension provides methods for interacting with the ;TI"Kconsole. 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