$ touch -d "yesterday" /tmp/testfile $ FILENAME=/tmp/testfile $ mv -iv $FILENAME{,.$(stat -c %y $FILENAME | awk '{print $1}')} `/tmp/testfile' -> `/tmp/testfile.2014-11-30'
FILENAME=nohup.out mv -iv $FILENAME{,.$(stat -c %Y $FILENAME)} does it help ? Show Sample Output
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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F2=$(stat -c %y $FILENAME); mv -iv $FILENAME{,.${F2%% *}}
Get the timestamp in F2, then use bash substitution to shorten it. Unfortunately, I can't just put the stat clause in the mv command :-(mv -iv "$FILENAME"{,.$(date +%F -d "$(stat -c %y "$FILENAME")")}
I've also quoted the filenames so that they handle whitespace correctly.