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henriquemenezes/ip-default-gw.rb

Created April 1, 2016 14:32
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Get default gateway IP in Ruby
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ip-default-gw.rb
gw = `ip route show`[/default.*/][/\d+\.\d+\.\d+\.\d+/]
@scottschup
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Found this while Googling. But just wanted to point out that this snippet assumes a Linux environment, or that a Mac user has installed something comparable to ip as in this SuperUser post.

@maxadamo
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maxadamo commented Mar 23, 2020 •
edited

you can also have multiple GW and this command will explode: you get a multiline string

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