PERL unshift Function

Syntax

unshift ARRAY, LIST

Definition and Usage

Places the elements from LIST, in order, at the beginning of ARRAY. This is opposite function to shift().

Return Value

Number of new elements in ARRAY.

Example

#!/usr/bin/perl -w

@array  = ( 1, 2, 3, 4);

print "Value of array is @array\n" ;

unshift( @array, 20, 30, 40 );

print "Now value of array is @array\n" ;

It will produce following results:

Value of array is 1 2 3 4
Now value of array is 20 30 40 1 2 3 4