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Diffstat (limited to 'ruby_1_8_5/lib/open3.rb')
| -rw-r--r-- | ruby_1_8_5/lib/open3.rb | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/ruby_1_8_5/lib/open3.rb b/ruby_1_8_5/lib/open3.rb deleted file mode 100644 index f722252b1c..0000000000 --- a/ruby_1_8_5/lib/open3.rb +++ /dev/null @@ -1,82 +0,0 @@ -# open3.rb: Spawn a program like popen, but with stderr, too. You might also -# want to use this if you want to bypass the shell. (By passing multiple args, -# 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') -# -# 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); - def popen3(*cmd) - pw = IO::pipe # pipe[0] for read, pipe[1] for write - pr = IO::pipe - pe = IO::pipe - - pid = fork{ - # child - fork{ - # grandchild - pw[1].close - STDIN.reopen(pw[0]) - pw[0].close - - pr[0].close - STDOUT.reopen(pr[1]) - pr[1].close - - pe[0].close - STDERR.reopen(pe[1]) - pe[1].close - - exec(*cmd) - } - exit!(0) - } - - pw[0].close - pr[1].close - pe[1].close - Process.waitpid(pid) - pi = [pw[1], pr[0], pe[0]] - pw[1].sync = true - if defined? yield - begin - return yield(*pi) - ensure - pi.each{|p| p.close unless p.closed?} - end - end - pi - end - module_function :popen3 -end - -if $0 == __FILE__ - a = Open3.popen3("nroff -man") - Thread.start do - while line = gets - a[0].print line - end - a[0].close - end - while line = a[1].gets - print ":", line - end -end |