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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

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