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






  1. Perl
  2. Statement
  3. 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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