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Turns out that when you don't LC_COLLATE=C; export LC_COLLATE, you'll eventually get bitten in the ass by the way character ranges in shell globs are treated:
In this case, my friend discovered the interesting behavior after executing 'rm [a-z]*', apparently hoping to keep files which started with uppercase letters. Whoops!$ (unset LC_COLLATE; bash) $ touch A a B b Z z; echo [A-Z]; echo [a-z] A b B z Z a A b B z
Entry first conceived on 28 December 2007, 21:24 UTC, last modified on 19 March 2009, 16:48 UTC