> The problem is dead-simple. You cannot run this command multiple times: > > cp -R ./dirfoo ./dirfoo.backup >
Sorry to add yet another (last) off topic message but I must do justice
to GNU cp. GNU cp actually does support the above thanks to a
(non-standard) option:
cp -R -T ./dirfoo ./dirfoo.backup
For details see: info coreutils "Target Directory"
