October 2006
Intermediate to advanced
888 pages
16h 55m
English
Content preview from The Ruby Way: Solutions and Techniques in Ruby Programming, Second Edition
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2.2. Representing Strings with Alternate Notations
Sometimes we want to represent strings that are rich in metacharacters such as single quotes, double quotes, and more. For these situations, we have the %q and %Q notations. Following either of these is a string within a pair of delimiters; I personally favor square brackets ([]).
The difference between the %q and %Q variants is that the former acts like a single-quoted string, and the latter like a double-quoted string.
S1 = %q[As Magritte said, "Ceci n'est pas une pipe."] s2 = %q[This is not a tab: (\t)] # same as: 'This is not a tab: \t' s3 = %Q[This IS a tab: (\t)] # same as: "This IS a tab: \t"
Both kinds of notation can be used with different delimiters. Besides brackets, there are other ...
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