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Annotation of 43BSDTahoe/usr.lib/learn/C/L5.2a, revision 1.1.1.1

1.1       root        1: #print
                      2: Write a program which reads a character from its
                      3: input and prints "high" if that character is
                      4: larger than 100 in numeric value (decimal) and "low"
                      5: if it is less than or equal to 100 in numeric value.
                      6: Compile it as usual and then type "ready".
                      7: #once #create Ref1
                      8: u is a big letter
                      9: #once #create Ref2
                     10: B is a small letter
                     11: #user
                     12: a.out <Ref1 >test1
                     13: a.out <Ref2 >test2
                     14: grep high test1 >/dev/null || grep low test2 >/dev/null 
                     15: #succeed
                     16: One way:
                     17: 
                     18: main()
                     19: {
                     20:        if (getchar() > 100)
                     21:                printf("high\n");
                     22:        else
                     23:                printf("low\n");
                     24: }
                     25: #log
                     26: #next
                     27: 5.1b 10

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