Current File : //opt/cpanel/ea-ruby24/root/usr/share/ri/system/Open3/pipeline_start-i.ri
U:RDoc::AnyMethod[iI"pipeline_start:EFI"Open3#pipeline_start;TF: privateo:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"COpen3.pipeline_start starts a list of commands as a pipeline. ;TI"=No pipes are created for stdin of the first command and ;TI" stdout of the last command.;To: RDoc::Markup::BlankLine o:RDoc::Markup::Verbatim; [ I"DOpen3.pipeline_start(cmd1, cmd2, ... [, opts]) {|wait_threads|
;TI" ...
;TI"}
;TI"
;TI"Cwait_threads = Open3.pipeline_start(cmd1, cmd2, ... [, opts])
;TI" ...
;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"
Example:;T@o; ; [I" # Run xeyes in 10 seconds.
;TI")Open3.pipeline_start("xeyes") {|ts|
;TI" sleep 10
;TI" t = ts[0]
;TI"# Process.kill("TERM", t.pid)
;TI"E p t.value #=> #<Process::Status: pid 911 SIGTERM (signal 15)>
;TI"}
;TI"
;TI"3# Convert pdf to ps and send it to a printer.
;TI"1# Collect error message of pdftops and lpr.
;TI" pdf_file = "paper.pdf"
;TI" printer = "printer-name"
;TI" err_r, err_w = IO.pipe
;TI"6Open3.pipeline_start(["pdftops", pdf_file, "-"],
;TI"3 ["lpr", "-P#{printer}"],
;TI"- :err=>err_w) {|ts|
;TI" err_w.close
;TI"9 p err_r.read # error messages of pdftops and lpr.
;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
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