See map. 
my @source = (1,2,3,4);
my @dest = map { $_ * 2 } @source;
print "@source\n";
print "@dest\n";

#Output:
#1 2 3 4
#2 4 6 8

[download]
my @source = ('bob', 'joe');
my @dest = map { $_ eq 'bob' ? ucfirst($_) : $_ } @source;
print "@source\n";
print "@dest\n";
#Output:
#bob joe
#Bob joe

[download]

In reply to Re: How to substitute the elements in an array without changing the original array. - map by imp
in thread How to substitute the elements in an array without changing the original array. by Anonymous Monk

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