[pkg-netfilter-team] Bug#913811: Bug #913811iptables
Ron Lovell
ron163264 at gmail.com
Thu Nov 15 23:33:10 GMT 2018
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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