18 lines
354 B
Bash
18 lines
354 B
Bash
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#!/usr/bin/env bash
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#
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# Shows which interface would be used
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# to connecto to an IP address/hostname
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INPUT=$1
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if [ -z $INPUT ]; then
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echo "Need an IP/hostname"
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exit
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fi
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if [ $(echo $INPUT | grep -c '[a-z]') -gt 0 ]; then
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INPUT=$(dig +short $INPUT | tail -1)
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fi
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echo -n "Interface: "
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ip -o route get $INPUT | perl -nle 'if(/dev\s+(\S+)/) {print $1}'
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