Does it really have to be a string? 
my $var = sub { $_[0]->{this} eq 'that' };

foreach my $hash_ref (@a) {
    if ($hash_ref->{this} eq 'that') {
        ...
    }

    if ($var->($hash_ref)) {
        ...
    }
}

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In reply to Re: How to pass a variable string as conditional argument to if statment by ikegami
in thread How to pass a variable string as conditional argument to if statment by sgrey

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