How to have the sed output side by side?

Question

I want to have standard output for KEGG pathways of a gene placed side by side no matter how many lines of the KEGG pathways it has. For example, a gene TT123456 is involves in

Answer 1

You can use xargs like this:

$ xargs -n15 

Note 15 is the number of words in your file. You could write a bigger number like xargs -n50 < file to make sure everything printed in the same line.