# Parse a string in $template and replace <%key%> with 'value'.
print GT::Template->parse('stringname', { key => 'value' }, { string => $template });

# Compress output of template, print it as it is parsed, not after entirely parsed.
GT::Template->parse_print('file.txt', { key => 'value' }, { compress => 1 });

# Don't display warnings on invalid keys.
print GT::Template->parse('file.txt', { key => 'value' }, { strict => 0 });

# Create a template object using custom settings.
my $obj = new GT::Template({
root => '/path/to/templates',
compress => 0,
strict => 0,
begin => '<!',
end => '!>'
});
my $replace = {
a => 'b',
c => 'd',
e => 'f'
};

$obj->parse_print('file2.txt', $replace);