diff options
Diffstat (limited to 'lib/open3.rb')
| -rw-r--r-- | lib/open3.rb | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/lib/open3.rb b/lib/open3.rb index 59db1a4cc5..f722252b1c 100644 --- a/lib/open3.rb +++ b/lib/open3.rb @@ -3,12 +3,24 @@ # which IO#popen does not allow) # # Usage: -# require "open3" # -# stdin, stdout, stderr = Open3.popen3('nroff -man') -# or -# include Open3 -# stdin, stdout, stderr = popen3('nroff -man') +# require "open3" +# +# stdin, stdout, stderr = Open3.popen3('nroff -man') +# +# 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); |