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Full Discussion: Total Noob BASH scripting question
Top Forums Shell Programming and Scripting Total Noob BASH scripting question Post 303015427 by Dirk_Pitt on Wednesday 4th of April 2018 05:19:59 PM
Old 04-04-2018
Ahhh ... I see what you're saying with the active ips file...I didn't pay attention to the < for input instead of output.

So I try it, and I get output of the discovery nmapping the first IP, then I get ports output of the first ip, and then it outputs the ports again for the next ip in the file, then it outputs the ports again for the next ip in the file, and then eventually the Discovery output comes out for the 2nd ip in the file. It's like the 2 functions are running independent of each other. The goal is Discovery for first IP, then Ports for First IP, then Discovery for 2nd, Ports for second...and so on.

The script you have is doing the same thing my original one is...where the 2 functions seem to run loops of their own without regard to each other
 

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LEARN ABOUT DEBIAN

ladvdc

ladvdc(8)						      System Manager's Manual							 ladvdc(8)

NAME

       ladvdc - display link layer advertisements

SYNOPSIS

       ladvdc [ INTERFACE ] [ INTERFACE ] ...

DESCRIPTION

       ladvdc  displays  link  layer  advertisements  received by ladvd(8) running in receive mode (via -a or -z).  Optionally a list of protocols
       and/or interfaces can be supplied to limit the amount of information displayed. Only users in the ladvd group are allowed to connect to the
       daemon.

OPTIONS

       -b     Print output in a format suitable for inclusion in shell scripts.

       -d     Dump  pcap-compatible  packets  to  stdout  which can be piped to tcpdump (via "| tcpdump -r -") or redirected to a file for further
	      analysis.

       -f     Print a full decode of each advertisement (not implemented).

       -h     Print usage instructions.

       -o     Only print the first advertisement.

       -p http://domain.tld/script
	      Post decoded packets to the supplied url.

       -L     Parse LLDP (Link Layer Discovery Protocol).

       -C     Parse CDP (Cisco Discovery Protocol).

       -E     Parse EDP (Extreme Discovery Protocol).

       -F     Parse FDP (Foundry Discovery Protocol).

       -N     Parse NDP (Nortel Discovery Protocol) formerly called SynOptics Network Management Protocol (SONMP).

AUTHOR

       Sten Spans <sten@blinkenlights.nl>

ladvdc								   April 19 2010							 ladvdc(8)
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