Thanks that is helpful So how is 
my $retval = gunzip 'file.gz' => 'file.out', Strict=>1 or $GunzipError
+;

[download]
different than 
my $retval = gunzip 'file.gz', 'file.out', Strict=>1 or $GunzipError;

[download]

In reply to Re^4: File integrity checker by roperl
in thread File integrity checker by roperl

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