> Please post the output of
> stat /tmp/TOOOLD.txt
# stat /tmp/TOOOLD.txt
   File: ‘/tmp/TOOOLD.txt’
   Size: 9             Blocks: 8          IO Block: 4096 regular file
Device: 805h/2053d    Inode: 14          Links: 1
Access: (0664/-rw-rw-r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2016-01-01 12:23:00.000000000 +0100
Modify: 2016-01-01 12:23:00.000000000 +0100
Change: 2016-07-16 15:21:28.806601066 +0200
  Birth: -
I suspect it is the Change line that is doing it -- although I wonder what the difference between Change and Modify is...
Mark