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Name	Size	Permission	Date
capture2-c.ri	1.17 KB	-rw-r--r--	2023-07-26 17:26
capture2-i.ri	1.17 KB	-rw-r--r--	2023-07-26 17:26
capture2e-c.ri	842 B	-rw-r--r--	2023-07-26 17:26
capture2e-i.ri	842 B	-rw-r--r--	2023-07-26 17:26
capture3-c.ri	1.82 KB	-rw-r--r--	2023-07-26 17:26
capture3-i.ri	1.82 KB	-rw-r--r--	2023-07-26 17:26
cdesc-Open3.ri	1.74 KB	-rw-r--r--	2023-07-26 17:26
pipeline-c.ri	2.06 KB	-rw-r--r--	2023-07-26 17:26
pipeline-i.ri	2.06 KB	-rw-r--r--	2023-07-26 17:26
pipeline_r-c.ri	1.71 KB	-rw-r--r--	2023-07-26 17:26
pipeline_r-i.ri	1.71 KB	-rw-r--r--	2023-07-26 17:26
pipeline_rw-c.ri	1.93 KB	-rw-r--r--	2023-07-26 17:26
pipeline_rw-i.ri	1.93 KB	-rw-r--r--	2023-07-26 17:26
pipeline_start-c.ri	1.87 KB	-rw-r--r--	2023-07-26 17:26
pipeline_start-i.ri	1.87 KB	-rw-r--r--	2023-07-26 17:26
pipeline_w-c.ri	1.31 KB	-rw-r--r--	2023-07-26 17:26
pipeline_w-i.ri	1.31 KB	-rw-r--r--	2023-07-26 17:26
popen2-c.ri	1.32 KB	-rw-r--r--	2023-07-26 17:26
popen2-i.ri	1.32 KB	-rw-r--r--	2023-07-26 17:26
popen2e-c.ri	1.19 KB	-rw-r--r--	2023-07-26 17:26
popen2e-i.ri	1.19 KB	-rw-r--r--	2023-07-26 17:26
popen3-c.ri	1.84 KB	-rw-r--r--	2023-07-26 17:26
popen3-i.ri	1.84 KB	-rw-r--r--	2023-07-26 17:26

Rename

U:RDoc::AnyMethod[iI"
capture3:EFI"Open3#capture3;FF:privateo:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"UOpen3.capture3 captures the standard output and the standard error of a command.;To:RDoc::Markup::BlankLine�o:RDoc::Markup::Verbatim;	[I"Mstdout_str, stderr_str, status = Open3.capture3([env,] cmd... [, opts])
;Fo;
;	[I"FThe arguments env, cmd and opts are passed to Open3.popen3 except;TI">opts[:stdin_data] and opts[:binmode].  See Process.spawn.;T@o;
;	[I"SIf opts[:stdin_data] is specified, it is sent to the command's standard input.;T@o;
;	[I"FIf opts[:binmode] is true, internal pipes are set to binary mode.;T@o;
;	[I"
Example:;T@o;;	[I"%# dot is a command of graphviz.
;FI"graph = <<'End'
;FI"  digraph g {
;FI"    a -> b
;FI"	  }
;FI"	End
;FI"Llayouted_graph, dot_log = Open3.capture3("dot -v", :stdin_data=>graph)
;FI"
;FI"Ro, e, s = Open3.capture3("echo a; sort >&2", :stdin_data=>"foo\nbar\nbaz\n")
;FI"p o #=> "a\n"
;FI"p e #=> "bar\nbaz\nfoo\n"
;FI"2p s #=> #<Process::Status: pid 32682 exit 0>
;FI"
;FI"K# generate a thumnail image using the convert command of ImageMagick.
;FI"6# However, if the image stored really in a file,
;FI"S# system("convert", "-thumbnail", "80", "png:#{filename}", "png:-") is better
;FI"## because memory consumption.
;FI"Z# But if the image is stored in a DB or generated by gnuplot Open3.capture2 example,
;FI"'# Open3.capture3 is considerable.
;FI"#
;FI"gimage = File.read("/usr/share/openclipart/png/animals/mammals/sheep-md-v0.1.png", :binmode=>true)
;FI"pthumnail, err, s = Open3.capture3("convert -thumbnail 80 png:- png:-", :stdin_data=>image, :binmode=>true)
;FI"if s.success?
;FI"&  STDOUT.binmode; print thumnail
;FI"end;F:
@file000[�I"(*cmd, &block);TI"lib/open3.rb;T