nc tool different on different dists - seriously?

[tbs-Gb/NUjX2UK8 at public.gmane.org (theBlueSage)]

On Fri, 2010-10-08 at 23:08 -0400, Christopher Rutter wrote:

> Will this work on both distros:
> (echo stats ; echo quit ) | nc localhost 11211
> 

syntactically it is correct, however it produces no result on the Ubuntu
box. 

It did however give me an idea, and this worked perfectly on both
machines :


(echo stats ; sleep 1; echo quit ) | nc localhost 11211


Thanks for the spark Chris,

Richard



> -Chris
> 
> 
> On Fri, Oct 8, 2010 at 5:42 PM, Derek Martin <invalid-yPs96gJSFQo51KKgMmcfiw at public.gmane.org>
> wrote:
> 
>         On Fri, Oct 08, 2010 at 05:14:08PM -0400, theBlueSage wrote:
>         > After 'man'ing the tool on both machines it appears the
>         CentOS version
>         > truly does not have the '-q' option, and that the Ubuntu
>         version really
>         > needs it.
>         >
>         > How is it possible that such a nice tool can get soooo
>         messed up? Anyone
>         > know a way around this?
>         
>         
>         
>         There are probably any number of approaches.  For example, I
>         don't
>         believe CentOS has /etc/lsb-release, but Ubuntu does... so you
>         can do
>         something like this:
>         
>          # Figure out what to run
>          nc_option=""
>          if [ -f /etc/lsb-release ]; then
>              nc_option="-q1"
>          fi
>          nc_command="nc $nc_option localhost 11211"
>         
>          # Now run it
>          echo "stats" | $nc_command
>         
>         A better approach would be to test netcat directly...  You
>         could set
>         up a routine that runs a netcat command with the -q option,
>         and
>         captures the stderr, and do the right thing based on that...
>         
>         --
>         Derek D. Martin    http://www.pizzashack.org/   GPG Key ID:
>         0xDFBEAD02
>         -=-=-=-=-
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>         
>         
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>