Re: awk awk

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Craig White wrote:
> On Dec 6, 2012, at 1:59 PM, m.roth@xxxxxxxxx wrote:
>> Craig White wrote:
>>> On Dec 6, 2012, at 1:34 PM, m.roth@xxxxxxxxx wrote:
>>>
>>>> You rang?
>>>>
>>>> Craig White wrote:
<snip>
>>> Definitely have little to no understanding of awk but…
>>>
>> Ok, I just d/l an nginx.conf file from
>> <http://wiki.nginx.org/FullExample>
>> and ran the following script on it:
>> {
>>   if ( $1 ~ /server_name$/ ) {
>>      server = $2;
>>      gsub(/;|}/,"",server);
>>      print server;
>>   }
>> }
>>
>> and my o/p was
>> $ awk -f nginx.awk nginx.conf
>> domain1.com
>> domain2.com
>> big.server.com
> ----
> not that I was looking for someone to write it for me but that works only

I do awk for *fun*.... <g>

> when the nginx.conf looks like
>
>   server_name domain1.com domain2.com big.server.com;
>
> which I actually didn't need to use awk to parse as I already handled
> those instances just fine with grep/sed
>
> but I have some conf files which look like
>
>   server_name {
>     domain1.com
>     domain2.com
>     big.server.com
>     }
>   ;
>
> and that forced me into looking at alternative methods - hence awk
>
> but your program gives me the following output…
<snip>
Of course it didn't work. I've never worked with nginx, so I could only
base it on what I found. With a file like that, I'd write
{
   if ( found == 1 && NF == 1 ) {
      if ( $1 ~ /}/ ) {
         found = 0;
      }
      else {
         print $1;
      }
   }
   else {
     if ( $1 ~ /server_name$/ && $2 ~ /{/ ) {
        found = 1;
     }
   }
}

     mark

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