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Annotation of 42BSD/usr.lib/learn/files/L5.1e, revision 1.1

1.1     ! root        1: #print
        !             2: Not only may the ? appear anywhere in a name,
        !             3: but there may be several ? characters in it.
        !             4: For example,
        !             5:   g??rge
        !             6: will match "george" and "goerge", among others.
        !             7: And "a??" will match "abc" or "a11" (but NOT "ax").
        !             8: Look at the files in the current directory and decide
        !             9: how many names the pattern
        !            10:    a?b?c
        !            11: will select.  Again, you can try this out
        !            12: by comparing an ordinary "ls" with "ls a?b?c"
        !            13: to see what happens.  When you figure
        !            14: out how many names are selected,
        !            15: type "answer N" where N is the number of file names.
        !            16: #create a0b0c
        !            17: #create a0bc
        !            18: #create a0x0c
        !            19: #create a1bxc
        !            20: #create aabbc
        !            21: #create azbzcz
        !            22: #copyin
        !            23: #user
        !            24: #uncopyin
        !            25: #match 3
        !            26: #log
        !            27: #next
        !            28: 6.1a 5
        !            29: 6.2a 2

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