[pkg-netfilter-team] Bug#913811: Bug #913811iptables

[Ron Lovell]

I still remember the first time that one bit me: "[ -e path]" fails if path
is a dead symlink. There are other pitfalls testing symlinks.  Some idioms
I use:

Does path exist?
[ -e path ] || [ -L path ]

Is path really a regular file?
[ -f path ] && [ ! -L path ]

A directory?
[ -d path ] && [ ! -d path ]
-- 
James Ronald Lovell <ron163264 at gmail.com>
Huntsville, AL, USA
A distributed system is one in which the failure of a computer you
didn't even know existed can render your own computer unusable.
-Leslie Lamport
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