popen2e(*cmd, &block)
Class Public methods
::popen2e is similer to ::popen3 except it merges the
standard output stream and the standard error stream.
Block form:
Open3.popen2e([env,] cmd... [, opts]) {|stdin, stdout_and_stderr, wait_thr|
pid = wait_thr.pid # pid of the started process.
...
exit_status = wait_thr.value # Process::Status object returned.
}
Non-block form:
stdin, stdout_and_stderr, wait_thr = Open3.popen2e([env,] cmd... [, opts])
...
stdin.close # stdin an