What is the syntax used in Perl grep function?
The syntax used in Perl is
a) grep BlOCK LIST
b) grep ( EXPR, LIST )
- BLOCK: It contains one or more statements delimited by braces, the last statement determines in the block whether the block will be evaluated true or false.
- EXPR: It represents any expression that supports $, particularly a regular expression. Against each element of the list, expression is applied, and if the result of the evaluation is true, the current element will be attached to the returned list
- LIST: It is a list of elements or an array