skip 'only testing lsof(8) output on Linux', 1 if $^O ne 'linux';
skip 'no lsof in PATH', 1 unless which('lsof');
my @lsof = `lsof -p $pid`;
skip 'only testing lsof(8) output on Linux', 1 if $^O ne 'linux';
skip 'no lsof in PATH', 1 unless which('lsof');
my @lsof = `lsof -p $pid`;