add blank lines after word MAC (sed/awk or perl??)

**Kenny McCormack** · Jul 19 '05, 05:02 AM

Re: add blank lines after word MAC (sed/awk or perl??)

In article <110fc16.040406 0748.4752f092@p osting.google.c om>,
NNTP <news8080@yahoo .com> wrote:[color=blue]
>I have a file with the following data
>
>192.168.60.1 61 DOMAINNAME-POWER 03U
>192.168.60.1 61 DOMAINNAME-TEMP 1eU
>192.168.60.1 61 MAC 00-xy-zz-07-bd-8a
>192.168.60.1 79 DOMAINNAME-abacdf 00U
>192.168.60.1 79 DOMAINNAME 00U[/color]
....[color=blue]
>what I want to do is add blank line after MAC entry for each IP. I am
>confortable with awk/sed but can't seem to fig. this out.
>
>do I need perl? or can sed/awk do this?[/color]

I don't understand the reference to this mythical language called sed/awk.
Wouldn't it make just as much sense to ask if it could be done in
Fortran/Python?

Anyway, in AWK (2 liner):

1
/MAC/ {print ""}

**rakesh sharma** · Jul 19 '05, 05:02 AM

Re: add blank lines after word MAC (sed/awk or perl??)

news8080@yahoo. com (NNTP) wrote in message[color=blue]
>
> I have a file with the following data
>
> 192.168.60.161 DOMAINNAME-POWER 03U
> 192.168.60.161 DOMAINNAME-TEMP 1eU
> 192.168.60.161 MAC 00-xy-zz-07-bd-8a
> 192.168.60.179 DOMAINNAME-abacdf 00U
> 192.168.60.179 DOMAINNAME 00U
> 192.168.60.179 DOMAINNAME-abacdf 20U
> 192.168.60.179 DOMAINNAME 1eU
> 192.168.60.179 MAC 00-xy-8b-1c-08-c7
> 192.168.60.198 DOMAINNAME-abcd 00U
> 192.168.60.198 DOMAINNAME 1cU
> 192.168.60.198 DOMAINNAME 00U
> 192.168.60.198 DOMAINNAME-abcd 20U
> 192.168.60.198 DOMAINNAME 1bU
> 192.168.60.198 DOMAINNAME 1eU
> 192.168.60.198 DOMAINNAME 1dU
> 192.168.60.198 MAC 00-zz-aa-bb-8f-35
>
>
> what I want to do is add blank line after MAC entry for each IP. I am
> confortable with awk/sed but can't seem to fig. this out.
>
> do I need perl? or can sed/awk do this?
>[/color]

sed -e '/MAC/G' yourfile

add blank lines after word MAC (sed/awk or perl??)

add blank lines after word MAC (sed/awk or perl??)

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