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change sed pattern to only match when GetExternalIPAaddress succeeds and output nothing if it fails $ upnpc -s | grep ExternalIPAddress | sed 's/[^0-9\.]//g' .3 $ upnpc -s | grep ExternalIPAddress GetExternalIPAddress failed. (errorcode=-3) $ upnpc -s | sed -n -e 's/^ExternalIPAddress = \([0-9.]*\)$/\1/p' $
5 lines
161 B
Bash
Executable File
5 lines
161 B
Bash
Executable File
#!/bin/sh
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# $Id: external-ip.sh,v 1.1 2010/08/05 12:57:41 nanard Exp $
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# (c) 2010 Reuben Hawkins
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upnpc -s | sed -n -e 's/^ExternalIPAddress = \([0-9.]*\)$/\1/p'
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