How to use the unshift() function of an Array in Perl
Overview
The unshift() function in Perl prepends elements to the beginning of an array in Perl.
Syntax
unshift(Array, values)
Syntax for unshift() method in Perl
Parameters
Array: This is the array we want to prepend some values to.
values: These are the values or a value we want to prepend to the Array array.
Return value
It returns the number of elements in the array.
Code example
# create an array@gnaam = ("Apple","Amazon", "Meta");print "Before push: \@coins = @gnaam\n";# push values to the arrayprint "After push: Number of elemets in \@gnaam =" , unshift(@gnaam, "Google","Netflix");print "\nAfter push: \@gnaam = @gnaam";
Explanation
- Line 2: We create an array called
gnaam. - Line 3: We print its values before prepending some values onto it with the
unshift()method. - Line 6: We call the
unshift()method to add elements to the array. Then, we print the number of elements using theprintstatement. - Line 7: We print the newly modified array.
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