No problem with word splitting. That should works on many Unix likes. Show Sample Output
This command copies all filenames in the current dir and subdirs that end in .mp3 regardless of case (also matches .MP3 .mP3 and .Mp3) It copies all the files to the "mp3" folder in your home directory. If you want to see the files that are beeing copied, replace "cp {}" with "cp -v {}"
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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find . -name '*.mp3' -type f -exec cp -t /home/user/dir {} +