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Re: ncat usage
From: Dave Henderson <dhenderson () digital-pipe com>
Date: Wed, 09 May 2012 13:25:48 -0400

On 05/07/2012 04:10 PM, Dave Henderson wrote:
On 05/07/2012 03:57 PM, David Fifield wrote:
On Mon, May 07, 2012 at 03:34:06PM -0400, Dave Henderson wrote:
Good afternoon gang!  I'm working on a project that currently uses
Berkley's netcat (nc), however, during some research I stumbled on
ncat.  I can see that it's much more comprehensive so I'd like to
make the switch to using it instead, but I can't seem to get it
working right.  The project is basically a bash version of a web
server.  I'll post the working code below.  Any help would greatly
be appreciated!


while (( 1 == 1 )); do                # causes an infinite loop for
processing requests
     #nc -Cl $sOPTS "$iPORT"<  "$SI">  "$SO" 2>>/tmp/debug.txt&    #
     nc -Cl $sOPTS "$iPORT"<  "$SI">  "$SO"&
# netcat-openbsd
     #ncat $sOPTS -vvv -C -l $iPORT<  "$SI">  "$SO"&
# ncat

     trap exitGraceful SIGINT                                    #
traps ctrl-C to exit this script
     head -n 1 "$SO" | procRequest>  "$SI"
     trap - SIGINT
You will probably be happier with this (no while loop):

ncat -l -k $iPORT --sh-exec "cat \"$SI\""

Compare to some examples here:


David Fifield

Thanks for the reply David. I've tried using your stated command in place of the 'while' loop, but I'm still getting the same result - no content in browser. Possibly a problem by not using the $SO named pipe? I did take a look at the example page before I even contacted this mailing list, but I didn't see anything on there that was helpful. Any other thoughts?


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