File: clean-nroff.pl

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file content (44 lines) | stat: -rwxr-xr-x 497 bytes parent folder | download | duplicates (12) 
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#!/usr/local/bin/perl -w

sub skip_lines {
    ($count) = @_;

    while ($count > 0) {
	if (!<>) {
	    last;
	}
	$count--;
   }
    if ($count > 0) {
	return 0;
    }
    return 1;
}

sub print_lines {
    ($count) = @_;

    while ($count > 0)  {
	$line = <>;
	if (!$line) {
	    last;
	}
	print $line;
	$count--;
    }

    if ($count > 0) {
	return 0;
    }
    return 1;
}

# Header.
print_lines(7);

# Process file.
while (1) {
    if (!print_lines(52) || !skip_lines(14)) {
	last;
    }
}