#! /bin/sh # Transpose a matrix: assumes all lines have same number # of fields exec awk ' NR == 1 { n = NF for (i = 1; i <= NF; i++) row[i] = $i next } { if (NF > n) n = NF for (i = 1; i <= NF; i++) row[i] = row[i] " " $i } END { for (i = 1; i <= n; i++) print row[i] }' ${1+"$@"}