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I use graphviz, https://github.com/anaynayak/aws-security-viz, and xdot.py somewhat regularly to mechanically generate pretty graphs of things like connectivity between EC2 security groups.

It's wonderful and I love being able to use my $EDITOR / awk / sed / etc to manipulate the results.



There is also "vimdot" in the graphviz distribution.

Its really just a hack where graphviz uses inotify() to watch for changes in a file being edited by vim.




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