| line | !l | l&&!r | l&&r | condition | 
 
| 123 | 3343 | 1804 | 4271 | length $data == 0 and not $last | 
 
| 227 | 51 | 27 | 3 | $outType eq "buffer" and length $$outValue == 0 | 
 
|  | 27 | 45 | 6 | $outType ne "buffer" and !(-e $outValue) || -w _ && -z _ | 
 
| 323 | 1066 | 790 | 5 | $outType eq "buffer" and &Scalar::Util::readonly(${$_[0];}) | 
 
| 346 | 0 | 665 | 0 | $haveOut and $x->{'Hash'} | 
 
| 422 | 178 | 0 | 230 | &isaFilename($input) and $inputIsFilename | 
 
| 483 | 440 | 97 | 248 | ref $input and ref $input eq "SCALAR" | 
 
| 513 | 97 | 0 | 440 | !$isFilehandle || *$self->{'AutoClose'} and $input ne "-" | 
 
| 619 | 1885 | 0 | 175 | !defined($$buffer) || length $$buffer == 0 and not *$self->{'FlushPending'} | 
 
| 840 | 50 | 0 | 1003 | !*$self->{'Handle'} || *$self->{'AutoClose'} and not *$self->{'StdIO'} | 
| line | l | !l&&r | !l&&!r | condition | 
 
| 166 | 174 | 1866 | 0 | shift() || IO::Compress::Base::Parameters::new() | 
 
| 190 | 1886 | 0 | 5 | @_ or $got | 
 
| 220 | 237 | 81 | 1538 | $got->getValue('append') || $merge | 
 
| 227 | 3 | 6 | 42 | !(-e $outValue) || -w _ && -z _ | 
 
|  | 3 | 6 | 72 | $outType eq "buffer" and length $$outValue == 0 or $outType ne "buffer" and !(-e $outValue) || -w _ && -z _ | 
 
| 385 | 40 | 5 | 30 | $x->{'inType'} eq 'filenames' || $x->{'inType'} eq 'filename' | 
 
| 422 | 202 | 396 | 12 | isaScalar($input) or &isaFilename($input) and $inputIsFilename | 
 
| 452 | 0 | 75 | 0 | isaScalar($element) or $isFilename | 
 
| 488 | 440 | 97 | 0 | not ref $input or &isaFilehandle($input) | 
 
| 513 | 410 | 30 | 97 | !$isFilehandle || *$self->{'AutoClose'} | 
 
| 534 | 0 | 60 | 0 | isaScalar($input) or &isaFilename($input) | 
 
| 619 | 85 | 90 | 1885 | !defined($$buffer) || length $$buffer == 0 | 
 
| 634 | 1865 | 5 | 0 | utf8::downgrade($$buffer, 1) or Carp::croak("Wide character in " . *$self->{'ClassName'} . "::write:") | 
 
| 822 | 1938 | 0 | 1804 | *$self->{'Closed'} or not *$self->{'Compress'} | 
 
| 840 | 844 | 159 | 50 | !*$self->{'Handle'} || *$self->{'AutoClose'} | 
 
| 916 | 32 | 11 | 11 | $whence == 1 or $whence == 2 |