#! /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]
}' ${1+"$@"}