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Chapter 9 Miscellaneous Control Structures |
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See Appendix A, Exercise Answers for the answers.
Extend the problem from the last chapter to repeat the operation until the word
end
is entered for one of the values. (Hint: use an infinite loop, and then do a
last
if either value is
end
.)
Rewrite the exercise from
Chapter 4,
Control Structures
, summing numbers up to 999, using a loop that exits from the middle. (Hint: use a naked block with a
redo
at the end to get an infinite loop, and a
last
in the middle based on a condition.)
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| 9.6 &&, ||, and ?: as Control Structures |
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10. Filehandles and File Tests |