1D0-437 Exam Dumps : CIW PERL FUNDAMENTALS

Regular expressions are best used for which task?

Consider that a file named test.txt contains this line of text:

One line of test text.

What is the output of the following lines of code?

$file = "test.txt";

open (OUT, "<$file") || (die "cannot open $file: $!");

seek(OUT, 15, 0);

read(OUT, $buffer, 5);

print $buffer . "\n";

print tell(OUT);

Which one of the following while statements uses correct syntax and expressions?