I'd advise against using four variables, and instead, would advocate using a single array. For example: 
my $addr = "25.255.2.0";
my @scalar = split(/\./, $addr);

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Then later, you can use it just as you would a regular scalar:
print "The address is $scalar[0].$scalar[1].$scalar[2].$scalar[3]\n";
There are many advantages to using an array instead of multiple scalars, a simple one being that this could also be expressed more simply as:
print "The address is ",join('.',@scalar),"\n";
There are few differences between $scalar[1] and $scalar_2 otherwise.

In reply to Re^3: Split an array and store contents into a scalar up till a certain character by tadman
in thread Split an array -> store contents into a scalar up till a certain character by FireBird34

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