How to get stdout and stderr of sub in a perl module?

[chris]

I need to log stdout and stderr from a sub of a perl module. I am
unable to make use of modules such as open3. Any ideas?

myscript.pl

$myobj = new ($pm);
$myobj->doprint(); #need to capture stderr, stdout from $myobj

mymodule.pm

sub doprint {
print 'hello world';
die 'goodbye cruel world';
}

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