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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 . -iname '*.jar' | xargs du -kc | tail -1
Also, if there are possibly spaces or other nasty characters in file names, make sure to use -print0 with the find command (and the -0 flag to xargs, of course).find . -iname '*.c' | xargs du -kc | grep total
19392 total 8344 total 24940 total 9976 total 23876 total 39716 total 44700 total 25280 total 27456 total 30868 total 26688 total 26744 total