[linux] Zistenie IP z MAC adresy y DHCP siete bez DNS...

[peter Fodrek]

----- Original Message -----
From: peter Fodrek <fodrek na kasr.elf.stuba.sk>
To: <linux na lists.linux.sk>
Sent: Tuesday, August 27, 2002 11:46 AM
Subject: RE: Re: [linux] Zistenie IP z MAC adresy y DHCP siete bez DNS...


>
>
> >Inak, existuje nieco take ako arping
> >http://www.habets.pp.se/synscan/programs.php?prog=ARPing
>
> Diki toto bolo to co  vyzera ze pomoze...
> Sucastou je vsak script, co ma nejaku chybu... Ak by isiel tak staci
pouzit
> jeho..
>
> Kedze nie som prave zastancom bourne shell-ov (ak som robil nejaky script
> zadanie v skole, tak to bolo v Toronto C shell-e a neboli tam if a bolo to
6
> rokov dozadu), mam relativne malu sancu najst problem, mozno by vsak vedel
> niekto z Vas pomoct (i ked viem, ze Linux-aci pouzivaju Bourne again shell
> no medzi sh a bash je mesi rozdiel ako medzi sh a tcsh, ze ano)
>
> #!/bin/sh
> ...
> ...
> for d in $(seq 0 255); do
>   arping -q -c 1 -T $a.$b.$c.$d $TARGET_MAC
>   if [ $? == 0 ]; then
>       echo "Got answer with address: $a.$b.$c.$d"
>   fi
>      done
> ....
>
> Problem bude v tom if, lebo ak ho odpoznamkujem:
>
> #!/bin/sh
> ...
> ...
> for d in $(seq 0 255); do
>   arping -q -c 1 -T $a.$b.$c.$d $TARGET_MAC
> #  if [ $? == 0 ]; then
>       echo "Got answer with address: $a.$b.$c.$d"
> #  fi
>      done
> ....
>
>
> nehadze mi to:
> arping-scan-net.sh: [: ==: binary operator expected


"Ja kon : jedno  = staci... sh nie je c+++"