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Now that I asked, then 'poof' magic happened...   lol  Here is the working 
version with the
highlighted part that fixed it....

while true
do
   print ""
   print -n "Please enter the TCP port (1-65534) [987]: "
   read -r httpport

  if test ${httpport}>0 && test ${httpport}<65535; then
    break
  else
    print "Invalid port number. Please try again."
 fi
done



Kristen Henry wrote:

>
> while true
> do
>    print ""
>    print -n "Please enter the TCP port (1-65534) [987]: "
>    read -r httpport
>   echo "Port: " ${httpport}
> if ((${httpport}>65534)) || ((${httpport}<1))
>   then
>      print "Invalid port number. Please try again."
> else
>      break
> fi
>
> done
> ==========================================
> Error messages:
>   Please enter the TCP port (1-65534) [987]:
> > 500
>   Port:  500
>   /QIBM/UserData/henryk/install.sh: 001-0019 Error found searching for command
>   500. No such path or directory.
>   /QIBM/UserData/henryk/install.sh: 001-0019 Error found searching for command
>   500. No such path or directory.
>   Done. Httpport=  500
>   $
>
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