Sure, see. IO::Scalar e.g

use IO::Scalar;

my $output = <<TXT;
this is the first line
and this is the second line
but this is the last
TXT

my $scalar_fh = IO::Scalar->new(\$output);

print while <$scalar_fh>;

__output__

this is the first line
and this is the second line
but this is the last
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