% ls -1 /tmp/default-perms* /tmp/default-perms.2.tmp /tmp/default-perms.3.tmp /tmp/default-perms.4.tmp /tmp/default-perms.5.tmp /tmp/default-perms.tmp
Looks like O(n²) filename-search again...
% ls -1 /tmp/default-perms* /tmp/default-perms.2.tmp /tmp/default-perms.3.tmp /tmp/default-perms.4.tmp /tmp/default-perms.5.tmp /tmp/default-perms.tmp
Looks like O(n²) filename-search again...