U:RDoc::AnyMethod[iI"pipeline_rw:EFI"Open3::pipeline_rw;TT: publico:RDoc::Markup::Document: @parts[o:RDoc::Markup::Paragraph; [I"JOpen3.pipeline_rw starts a list of commands as a pipeline with pipes ;TI"Pwhich connect to stdin of the first command and stdout of the last command.;To:RDoc::Markup::BlankLineo:RDoc::Markup::Verbatim; [ I"[Open3.pipeline_rw(cmd1, cmd2, ... [, opts]) {|first_stdin, last_stdout, wait_threads| ;TI" ... ;TI"} ;TI" ;TI"Zfirst_stdin, last_stdout, wait_threads = Open3.pipeline_rw(cmd1, cmd2, ... [, opts]) ;TI" ... ;TI"first_stdin.close ;TI"last_stdout.close ;T: @format0o; ; [I"'Each cmd is a string or an array. ;TI"AIf it is an array, the elements are passed to Process.spawn.;T@o; ; [ I" cmd: ;TI"_ commandline command line string which is passed to a shell ;TI"_ [env, commandline, opts] command line string which is passed to a shell ;TI"b [env, cmdname, arg1, ..., opts] command name and one or more arguments (no shell) ;TI"h [env, [cmdname, argv0], arg1, ..., opts] command name and arguments including argv[0] (no shell) ;TI" ;TI"@Note that env and opts are optional, as for Process.spawn. ;T; 0o; ; [I"EThe options to pass to Process.spawn are constructed by merging ;TI"5+opts+, the last hash element of the array, and ;TI"?specifications for the pipes between each of the commands.;T@o; ; [I" Example:;T@o; ; [I"=Open3.pipeline_rw("tr -dc A-Za-z", "wc -c") {|i, o, ts| ;TI"F i.puts "All persons more than a mile high to leave the court." ;TI" i.close ;TI" p o.gets #=> "42\n" ;TI"} ;TI" ;TI"EOpen3.pipeline_rw("sort", "cat -n") {|stdin, stdout, wait_thrs| ;TI" stdin.puts "foo" ;TI" stdin.puts "bar" ;TI" stdin.puts "baz" ;TI"+ stdin.close # send EOF to sort. ;TI"E p stdout.read #=> " 1\tbar\n 2\tbaz\n 3\tfoo\n" ;TI"};T; 0: @fileI"lib/open3.rb;T:0@omit_headings_from_table_of_contents_below000[I"(*cmds, **opts, &block);T@>FI" Open3;FcRDoc::NormalModule00