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- #!/usr/bin/env ruby -wKU
- def UBER_ip_route_match(command, regex)
- command.split("\n").select { |l| l =~ regex }.first.to_s[/([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/] || '0.0.0.0'
- end
- c = '10.128.0.0/24 dev eth1 proto kernel scope link src 10.128.0.48
- 127.0.0.0/8 dev lo scope link
- default via 10.128.0.254 dev eth1'
- # c = %x{/sbin/ip route list match #{ip}}
- p UBER_ip_route_match(c, /^default via /) # => '10.128.0.254'
- p UBER_ip_route_match(c, /via /) # => '10.128.0.254'
- p UBER_ip_route_match(c, /^default crap /) # => '0.0.0.0'
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