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Single and Double Quotes in Perl
You can use double quotes or single quotes around literal strings as follows −
Example
#!/usr/bin/perl print "Hello, world
"; print 'Hello, world
';
Output
This will produce the following result −
Hello, world Hello, world
$
There is an important difference between single and double-quotes. Only double quotes interpolate variables and special characters such as newlines
, whereas a single quote does not interpolate any variable or special character. Check below example where we are using $a as a variable to store a value and later printing that value −
Example
#!/usr/bin/perl $a = 10; print "Value of a = $a
"; print 'Value of a = $a
';
Output
This will produce the following result −
Value of a = 10 Value of a = $a
$
Updated on 28-Nov-2019 07:42:27
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