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Annotation of 42BSD/usr.lib/learn/files/L4.2a, revision 1.1

1.1     ! root        1: #print
        !             2: If a file name is given with the "ls" command,
        !             3: it tells you whether that file exists.
        !             4: The file name is listed if the file exists;
        !             5: if it doesn't, a complaint is typed.
        !             6: For example,
        !             7:   ls george
        !             8: will type "george" if the file exists,
        !             9: and "george not found" if it is missing.
        !            10: 
        !            11: Is there a file named "alexander" in the
        !            12: current directory?  Find out, then type "yes" or "no".
        !            13: #copyin
        !            14: #user
        !            15: #uncopyin
        !            16: #match no
        !            17: #log
        !            18: #next
        !            19: 4.2b 10

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