while () { push @new, $_ =~ m/^\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+.*/; $num =scalar$#new; print "\n$num\n"; } while () { $- =~ s/^\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+(\s+.*)/$new[$i++] $1/; print OUT $_; }