if ($localfname =~ /\.xml\.gz$/) { # deflating cached file and return it
$cont = gunzip($localfname);
} elsif ($localfname =~ /\.xml$/) { # just return cached file
if ($localfname =~ /\.xml\.gz$/) { # deflating cached file and return it
$cont = gunzip($localfname);
} elsif ($localfname =~ /\.xml$/) { # just return cached file