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by thinkmoore
3370 days ago
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I think the alternative being suggested is that rm shouldn't accept a string that magically can reference anything in the filesystem... In our capability-based shell scripting language Shill (shill-lang.org) for example, you could prevent this sort of bug by giving the script a capability for just the diaspora_home directory, and deriving the child directories from that capability. (Of course, you still need to make sure you pass in the right directory in the first place.) |
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That suggestion fails to grasp the basics of Unix shells however: parameter expansion as well as globbing is performed by the shell, rm "sees" nothing but fully-expanded paths.