How to give space between columns?

Question

I have a text file as shown below.I would like to give a space between the character and number in the fifth column. How can I do this with awk?

cxe  911  bv  he         


        

Answer 1

This is very specific to the format of your data, but it works:

awk '{print substr($0,1,21)" "substr($0,22)}'