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IO::Handle::Iterator(3User Contributed Perl DocumentatiIO::Handle::Iterator(3) NAME IO::Handle::Iterator - Iterator based read handle SYNOPSIS IO::Handle::Iterator->new(sub { return $next_line; # or undef on eof }); DESCRIPTION This class lets you define a read handle with a few fallback methods (like "read") using a single callback that behaves like "getline". This is similar but much simpler than: IO::Handle::Prototype::Fallback->new( __read => sub { ... }, ); The reason being that the IO::Handle::Prototype::Fallback implementation will try its very best to behave correctly (i.e. respect the value of $/), whereas this implementation assumes it's fine to return things that aren't exactly lines from "getline", so the values are just passed through. READ BUFFERING When a method that requires buffering is invoked the handle is reblessed to a subclass which handles buffering. Calling "getline" again on this object will return the value of the buffer and return to the normal iterator class. perl v5.32.0 2018-10-06 IO::Handle::Iterator(3)
NAME | SYNOPSIS | DESCRIPTION | READ BUFFERING
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