Rod,
It's not really a question of being thoughtless. Well, perhaps it is,
but not directly. Most of the time, when I've had a mishap that erased
something important, it was a script or program that didn't behave as
expected. Wildcards expanded in a way that I didn't want, the command
was executed in the wrong directory, reversed the parameters to a
command and overwrote something that I meant to copy, things like that.
In 20 years of working with computers, I've found ways to "accidentally"
do things that would probably shock and dismay you. The read-only
attribute is good, but ACL's are better and are harder to override. I
have a couple little bits of code, called "protect" and "unprotect",
that revoke and grant me write permission on directories. This way, if I
need to make modifications I can. Most of the time, though, the data
stays read-only and I can't mess with it.
Joe
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