June 2005
Beginner
480 pages
10h 31m
English
Content preview from SAMS Teach Yourself Perl in 24 Hours THIRD EDITION
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Workshop
Quiz
| 1: | Keys in hashes tied to DBM files can store keys with unlimited length.
|
| 2: | Why is it difficult to insert data into normal files?
|
| 3: | Locking files is covered in which section of the FAQ? |
Answers
| A1: | b. The total combined length of a key and value in a DBM file is 1,024 characters, by default. |
| A2: | a. Data cannot easily be moved “up” and “down” within a file, so moving the surrounding data can be exceedingly difficult. Choice c is also true, but only when the file may be used by more than one program at a time. |
| A3: | Section 5, “Files and Formats.” |
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