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<p>exit; : Instruction for end of the program</p>
<p>* Another way to read whole lines in a file - use array variable (@)</p> <p>Ex) @DNASeq = <DNAFILE>; : Array variable consists of n components.</p> <p>First line will be stored in a first component and second line will be stored in a second component and so on.</p>
<p> </p>