---
name: "POE::Filter::Stream"
section: "3pm"
platform: "linux"
package: "perl-poe"
version: "1.370-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/POE::Filter::Stream"
---

# POE::Filter::Stream(3pm)

a no-op filter that passes data through unchanged

## NAME

POE::Filter::Stream - a no-op filter that passes data through unchanged

## SYNOPSIS

```
  #!perl
  use Term::ReadKey;
  use POE qw(Wheel::ReadWrite Filter::Stream);
  POE::Session->create(
    inline_states => {
      _start => sub {
        ReadMode "ultra-raw";
        $_[HEAP]{io} = POE::Wheel::ReadWrite->new(
          InputHandle => \*STDIN,
          OutputHandle => \*STDOUT,
          InputEvent => "got_some_data",
          Filter => POE::Filter::Stream->new(),
        );
      },
      got_some_data => sub {
        $_[HEAP]{io}->put("<$_[ARG0]>");
        delete $_[HEAP]{io} if $_[ARG0] eq "\cC";
      },
      _stop => sub {
        ReadMode "restore";
        print "\n";
      },
    }
  );
  POE::Kernel->run();
  exit;
```

## DESCRIPTION

POE::Filter::Stream passes data through without changing it.  It follows POE::Filter's API and implements no new functionality.

In the "SYNOPSIS", POE::Filter::Stream is used to collect keystrokes without any interpretation and display output without any embellishments.

## SEE ALSO

POE::Filter for more information about filters in general.

The SEE ALSO section in POE contains a table of contents covering the entire POE distribution.

## BUGS

None known.

## AUTHORS & COPYRIGHTS

Please see POE for more information about authors and contributors.
