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

assuming your fifth column starts with a single character,

{
  if(sub(/^./, "& ", $5)) {
    print $0;
  } 
}