Using while loop to calculate the number of lines in a file : While « Statement « Perl

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Perl » Statement » While

Using while loop to calculate the number of lines in a file


    



$number_lines = 0;



open(FILEHANDLE, "file.txt") or die "Can not open file.txt";



while (<FILEHANDLE>) {

    ++$number_lines;

}



close FILEHANDLE;



print "The number of lines in file.txt = $number_lines.";

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