Test: -anewer reference
Test: -cnewer reference
Test: -newer reference
True if the time of the last access (or status change or data modification) of the current file is more recent
than that of the last datamodification of the reference file.
As such, ‘-anewer’ is equivalent to ‘-neweram’, ‘-cnewer’ to ‘-newercm’, and ‘-newer’ to ‘-newermm’.
refer: https://www.gnu.org/software/findutils/manual/html_node/find_html/Comparing-Timestamps.html