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Hi blink_w,

Try with:
awk '{for (i = 1; i <= NF; i++) a[i, NR] = $i}
END {for (j = NR; j > 0; j--){
for (i = NF; i >= 1; i--) printf("%s ", a[i, j])
printf("\n")}}' inputfile | awk '{sub(/^[...

This sounds a lot like homework. We have a special forum for homework.
You can use the tac command if you are on linux.

tac filename | awk 'your code goes here'


Otherwise:

awk '...