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Re: How to search and replace



On 2/2/06, Paul Howarth <paul city-fan org> wrote:
> Dan Track wrote:
> > Hi
> >
> > I thought I'd ask this here as you guys helped me setup mrtg :)
> >
> > I've got the following pattern in a text file in linux.
> > Target[description1].1.3.4.6.5.3.:string 10 11 8 10
> > Directory[description1]: server1
> >
> > Target[description2].1.3.4.6.4.9.:string 10 17 5 24
> > Directory[description2]: server2
> >
> > What I would like to do is replace the ip of each with the following
> > value of "Directory". So for example I would like
> > Target[description1].1.3.4.6.5.3.:string 10 11 8 10 to become
> > Target[description1].1.3.4.6.5.3.:string server1 example com
> >
> > How can I accomplish this using either C,perl,sed or awk
>
> sed -e '$b
>    /^Target\[[^]]*\][.0-9]*: * [0-9 ]*$/ {
>      $!N
>      s/^\(Target\[[^]]*\][.0-9]*: * \)[0-9.]*\nDirectory\[[^]]*\]:
> \(.*\)$/\1\2.example.com/
>      P;D
>    }' textfile > output
>

Thanks for the reply. When I run it I get the following error:
sed -e '$b /^Target\[[^]]*\][.0-9]*: * [0-9 ]*$/ {
> $!N
> s/^\(Target\[[^]]*\][.0-9]*: * \)[0-9.]*\nDirectory\[[^]]*\]:
> \(.*\)$/\1\2.example.com/
> P;D
> }' text_files/mrtg.cfg > text_files/mrtg.cfg.changed
sed: -e expression #1, char 108: unterminated `s' command

Any ideas?

Thanks
Dan


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