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Annotation of 43BSDReno/usr.bin/learn/learnlib/files/L7.3a, revision 1.1.1.1

1.1       root        1: #print
                      2: Sometimes ? is too flexible, and you
                      3: only want to allow a few characters.  For example,
                      4: you might want to abbreviate
                      5:   ls memo.ab memo.ac
                      6: without picking up "memo.ad", "!"memo.ae", and so forth.
                      7: You can match one of a set of particular characters by 
                      8: putting them in brackets "[]" in the list you use with "ls".
                      9: For example,
                     10:   [bc]
                     11: matches either b or c but no other letters.
                     12: Thus the command
                     13:   ls memo.a[bc]
                     14: would match "memo.ab", "memo.ac", and nothing else.
                     15: Try that command in this directory: type a plain
                     16: "ls" first, and then "ls memo.a[bc]".
                     17: How many files does "ls memo.a[bc]" match?
                     18: Type "answer N" where N is the number.
                     19: #create memo.ab
                     20: #create memo.abc
                     21: #create memo.bc
                     22: #copyin
                     23: #user
                     24: #uncopyin
                     25: #match 1
                     26: #log
                     27: #next
                     28: 7.3b 2

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