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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2004-12-15 16:01:11 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2004-12-15 16:01:11 +0000
commite0ddacfc36bfeeecb0fcf37d3dc21eece522d3b9 (patch)
treeee112208e1eaa2f443b423e208eab353bf389ae8 /lib/open3.rb
parent8a92fc97092161be3fc44e58a84976f782fcba98 (diff)
* ext/syck/rubyext.c (rb_syck_io_str_read): [ruby-core:03973]
* object.c (rb_obj_id_obsolete): warn always. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7569 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/open3.rb')
-rw-r--r--lib/open3.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/open3.rb b/lib/open3.rb
index 407cd7662c..1ddd213f61 100644
--- a/lib/open3.rb
+++ b/lib/open3.rb
@@ -9,6 +9,13 @@
# or
# include Open3
# stdin, stdout, stderr = popen3('nroff -man')
+#
+# popen3 can also take a block which will receive stdin, stdout and stderr
+# as parameters. This ensures stdin, stdout and stderr are closed once
+# the block exits.
+#
+# Such as
+# Open3.popen3('nroff -man') { |stdin, stdout, stderr| ... }
module Open3
#[stdin, stdout, stderr] = popen3(command);