When recently put together a backup file, you need to sort by year, some records notes for future reference
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Use awk output to move files from
... | awk ... | xargs -d ' \ n' mv -t ./small_images -
grep + regular
grep -E '2018- [0-9] { 2} - [0-9] {2}' -
ls time files according to the new time r # a new reversal order
ls -tar --full-time