topic vi / substitution help in Operating System - HP-UX

vi / substitution help

Mike_Ca Li — Fri, 17 Oct 2003 11:34:33 GMT

Hi:
I have a file with first 4 colums with digits and the rest with characters. I would liek to add a space behind the 4th digit. Thanks.
1234absc
5678detg
..
4567abfcd

how to get

1234 absc
5678 detg
..
4567 abfcd

Re: vi / substitution help

Vitek Pepas — Fri, 17 Oct 2003 11:57:43 GMT

Try this:
cat file | sed -e 's/$....$/\1\ /'

Re: vi / substitution help

curt larson_1 — Fri, 17 Oct 2003 12:08:21 GMT

within vi you could try:

$s/^..../& /
or
$s/^$....$/\1 /