Is there anyone know how to add single quote to each column in a test file?


I have a file that has these lines

aaa qqq vvvv 99gg 123jjkk
bbb qqq vvvv dkdl 09djkd


How to add single quotes using awk or sed or whatever in UNIX?

'aaa' 'qqq' 'vvvv' '99gg' '123jjkk'

Qingbo