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Diffstat (limited to 'pod/perlfunc.pod')
| -rw-r--r-- | pod/perlfunc.pod | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 913f6f8fbd..a99dffeb4d 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -2020,12 +2020,13 @@ The following pairs are more or less equivalent: See L<perlipc/"Safe Pipe Opens"> for more examples of this. -Explicitly closing any piped filehandle causes the parent process to -wait for the child to finish, and returns the status value in C<$?>. -Note: on any operation which may do a fork, unflushed buffers remain +NOTE: On any operation which may do a fork, unflushed buffers remain unflushed in both processes, which means you may need to set C<$|> to avoid duplicate output. +Closing any piped filehandle causes the parent process to wait for the +child to finish, and returns the status value in C<$?>. + Using the constructor from the IO::Handle package (or one of its subclasses, such as IO::File or IO::Socket), you can generate anonymous filehandles which have the scope of whatever |