Re: find patterns that are across multiple lines

[Andreas Schwab]

TimtheEagle <address@hidden> writes:

> So I want to find and print the lines that have "Acct-Status =" on the line
> directly above "Username = dthn" and also display the line beginning with
> "Framed-IP-Address=10.240.4." where this line is the 3rd line after this
> specific Username line.

Use awk or perl.

$ awk '/Acct-Status =/ { last_acct_status = NR; acct_status = $0 }
       /Username = dthn/ && last_acct_status + 1 == NR {
            last_username = NR; print acct_status; print }
       /Framed-IP-Address=10\.230\.4\./ && last_user_name + 3 == NR'

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
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