Programming PERL in the .NET Environment

Native Perl Operators

The operators in this section are Perl operators not found in the C language.

Range Operator

The range operator is a pair of dots (..). It has many uses in Perl. Perhaps the most useful is to create a sequence of elements to fill an array. The code below sums the numbers in the range 1 to 100.

@numbers = (1..100); # the numbers 1, 2, 3,...,100
foreach $item (@numbers)
{
    $sum += $item;
}

Rather than explicitly writing out the values in a particular sequence, the range operator generates them for you. This operator can be used with numbers or with characters. The code below prints the uppercase and lowercase characters.

foreach $item (a..z, A..Z);
{
    print "$item";
}

String Operators

Perl is very good at string manipulation. ...