awk实现的行列转换

#!/usr/bin/awk -f

BEGIN {
  lines=0
  cols=0
}

{
  if (NF > cols)
    cols=NF
  lines++
  for (i=1; i<=NF; i++)
    data[NR, i]=$i
}

END {
  for (i=1; i<=cols; i++) {
    for (j=1; j<=lines; j++)
      printf data[j,1]"\t"
    printf "\n"
  }
}