rm -xdev

[Jeremy Shaw]

Hello,

After a couple of bugs properly aligned themselves and wiped out a
machine, it occured to be that it would be nice if rm had a -xdev flag
(aka, Don't descend directories on other filesystems).

The short version:

/ got mounted in temp directory, and rm -rf $(THE_TEMP_DIR) indirectly turned
into 'rm -rf /'.

I am not sure exactly what would happen if another file system was
found during the delete, but I am sure, I would not want it
deleted. :p

Just a thought..

Jeremy Shaw.
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