Another benefit to the here document is the ability to format your text and have it appear exactly as you typed it in. Here is a poem that we will display using the here document:

#!/usr/bin/perl

$twain= <<'Poem';

Warm summer sun,

  Shine kindly here,

Warm southern wind,

  Blow softly here.

Green sod above,

  Lie light, lie light.

Good night, dear heart,

  Good night, good night.

Poem

print $twain;

This will display Twain's poem like so:

Warm summer sun,

  Shine kindly here.

Warm southern wind,

  Blow softly here.

Green sod above,

  Lie light, lie light.

Good night, dear heart,

  Good night, good night.