Quote-like Operators:
There are following Quote-like operators supported by Perl language. In the following table, a {} represents any pair of delimiters you choose.
Operator
|
Description
|
Example
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q{ }
|
Encloses a string with-in single quotes
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q{abcd} gives 'abcd'
|
qq{ }
|
Encloses a string with-in double quotes
|
qq{abcd} gives "abcd"
|
qx{ }
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Encloses a string with-in invert quotes
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qx{abcd} gives `abcd`
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Miscellaneous Operators:
There are following miscellaneous operators supported by Perl language. Assume variable a holds 10 and variable b holds 20 then:
Operator
|
Description
|
Example
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.
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Binary operator dot (.) concatenates two strings.
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If $a="abc", $b="def" then $a.$b will
give "abcdef"
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x
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The repetition operator x returns a string consisting of
the left operand repeated the number of times specified by the right operand.
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('-' x 3) will give ---.
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..
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The range operator .. returns a list of values counting
(up by ones) from the left value to the right value
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(2..5) will give (2, 3, 4, 5)
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++
|
Auto Increment operator increases integer value by one
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$a++ will give 11
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--
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Auto Decrement operator decreases integer value by one
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$a-- will give 9
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->
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The arrow operator is mostly used in dereferencing a
method or variable from an object or a class name
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$obj->$a is an example to access variable $a from
object $obj.
|
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