Perl: map

Tutoring Perl: the tutor gives an example of Perl’s fantastic map function.

Suppose you have the array (1,2,3,4), but you want to musically enhance it to (and a 1, and a 2,….)

@arr=map {‘and a ‘.$_} (1,2,3,4);

yields

@arr = (and a 1, and a 2, and a 3, and a 4)

Source:

Tutorials Point (India) Pvt. Ltd.