NR == 1 { printf "%s %s %s %s %s %s %s %s %s", $1, $2, $3, $4, $5, $6, $7, $8, $9 for (i = 10; i <= NF; i += 2) printf " %s %s", $(i+1), $i printf "\n" } NR > 1 { print }