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Created August 9, 2014 21:01
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➜ test_grep ll
total 40K
drwxrwxr-x 2 clark clark 4,0K aug 9 22:39 a
-rw-rw-r-- 1 clark clark 0 aug 9 22:47 a.txt
drwxrwxr-x 2 clark clark 4,0K aug 9 22:39 b
-rw-rw-r-- 1 clark clark 0 aug 9 22:47 b.txt
drwxrwxr-x 2 clark clark 4,0K aug 9 22:39 c
-rw-rw-r-- 1 clark clark 0 aug 9 22:47 c.txt
drwxrwxr-x 2 clark clark 4,0K aug 9 22:39 d
➜ test_grep grep *
grep: b: Is a directory
grep: c: Is a directory
grep: d: Is a directory
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