AWK - Re: match pattern but print previous line

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Re: match pattern but print previous line

Pad

2006-10-12, 6:57 pm

> I see with surprise that standard sed wants the new lines,
> at least it wants
>
> sed -n -e '/pattern/{x;p;}' -e 'h'
>
> only Gnu sed takes
>
> sed -n '/pattern/{x;p;};h'
>
> ?

Thank you everyone for sed and awk response. I went with awk reponse as
it was easier for me to understand. As a totally unrelated question,
could you help me with the problem?
I would like to convert some even numbered string say 000102030405 to
00:01:02:03:04:05 etc. I gave 00, 01 as an example but the real string
would some look like 1000acdefe..(16 digits)

Thanks
Pad

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