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Open3.#pipeline(*cmds) -> [Process::Status] (94.0)

• 2.4.0

• モジュール関数

指定したコマンドのリストをパイプで繋いで順番に実行します。

...require "open3"

fname = "/usr/share/man/man1/ruby.1.gz"
p Open3.pipeline(["zcat", fname], "nroff -man", "less")
#=> [#<Process::Status: pid 11817 exit 0>,
# #<Process::Status: pid 11820 exit 0>,
# #<Process::Status: pid 11828 exit 0>]

例2:

require "open3"

Open3.pipeline(...

...[{"LANG"=>"C"}, "env"], ["grep", "LANG"], "less")

@see Open3.#popen3...