Perl language structure: Difference between revisions

Revision as of 17:50, 14 March 2014

Revision as of 09:03, 27 March 2014

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For example, if <code>$name</code> is <code>"Jim"</code>:

<ul>

<li>*then <code>print("My name is $name")</code> will print <code>"My name is Jim"</code> (interpolation within double quotes),</li>

<li>*but <code>print('My name is $name')</code> will print <code>"My name is $name"</code> (no interpolation within single quotes).</li></ul>

To include a double quotation mark in a string, precede it with a backslash or enclose the string in single quotes. To include a single quotation mark, precede it with a backslash or enclose the string in double quotes.

Strings can also be quoted with the <code>q</code> and <code>qq</code> quote-like operators:

<ul><li>*<code>'this'</code> and <code>q(this)</code> are identical,</li>

<li>*<code>"$this"</code> and <code>qq($this)</code> are identical.</li></ul>

Finally, multiline strings can be defined using [[here document]]s: