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Top Forums Shell Programming and Scripting regular expression for MAC address validation Post 302109910 by matrixmadhan on Thursday 8th of March 2007 11:13:55 PM
Old 03-09-2007
Quote:
Originally Posted by matrixmadhan
You cannot really use nested backticks! Smilie

use this,
Code:
result=$( echo 00:60:08:C4:99:12 | sed -n "/^\([0-9A-Z][0-9A-Z]:\)\{5\}[0-9A-Z][0-9A-Z]$/p" )
if [ -z $result ]; then
  echo $result
fi


This was wrong actually as said to ghostdog

check this thread
 

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MACTELNET(1)						      General Commands Manual						      MACTELNET(1)

NAME
mactelnet - A tool for telneting via MAC addresses SYNOPSIS
mactelnet [options] <MAC-Address|hostname> DESCRIPTION
This tool enables you to telnet other RouterOS or MAC-Telnetd enabled devices. You can connect to either a hostname or a MAC address. If specified, the hostname (identity) will be looked up via MNDP discovery. OPTIONS
These programs follow the usual GNU command line syntax. A summary of options is included below. -n Do not use broadcast packets. A tad less insecure but requires root privileges. This means that ethernet packets will have the specified mac-address as the packet destination, instead of using the ethernet broadcast address. -t Amount of seconds to wait for a response on each interface. If you have several network interfaces, this is the timeout value per interface. -u Specify username. Without this option, you will need to enter the username in a interactive prompt. -p Specify password. Without this option, you will need to enter the password in a interactive prompt. -h Show summary of options. -v Show version of program. SEE ALSO
mndp(1), mactelnetd(1), macping(1). AUTHOR
mactelnet was written by Hakon Nessjoen <haakon.nessjoen@gmail.com>. This manual page was written by Hakon Nessjoen <haakon.nessjoen@gmail.com>, for the Debian project (and may be used by others). February 27, 2011 MACTELNET(1)
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