#!/usr/bin/perl use warnings; open FH, $ARGV[0] || die("$!"); print ''; print "\n
\n"; print "hello"; $marker = 0,$isheader = 1; while(){ do { print "\t$line\n" if $isheader; print "\t$line\n" unless $isheader; $line = undef; $isheader = undef; $marker++; next;} if ($_ eq "\n" && $marker == 0); $isheader = 1 if ($_ eq "\n" && $marker == 1); $marker = 0 if $_ ne "\n" ; chomp; $line = $line.$_ if $line; $line = $_ unless $line; } print "\n
";