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Asked: 2026-05-14T15:30:29+00:00

opendir MYDIR, $dir; my @FILES = readdir MYDIR; closedir MYDIR; It appears that 99.9

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  opendir MYDIR, "$dir";
  my @FILES = readdir MYDIR;
  closedir MYDIR;

It appears that 99.9 % of the time the first two entries in the array are always “.” and “..”. Later logic in the script has issues if it is not true. I ran into a case where the directory entries appeared later. Is this indicative of the file system being corrupt or something else? Is there a known order to what opendir returns?

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1 Answer

  1. Editorial Team

    It’s always the operating-system order, presented unsorted raw.

    While . and .. are very often the first two entries, that’s because they were the first two entries created. If for some reason, one of them were deleted (via unnatural sequences, since it’s normally prevented), the next fsck (or equivalent) would fix the directory to have both again. This would place one of the names at a later place in the list.

    Hence, do not just “skip the first two entries”. Instead, match them explicitly to reject them.

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