[Bug #2331](Closed) Kernel#system $B$NBh0l0z?t$,=q$-49$($i$l$k(B

e$B%A%1%C%He(B #2331 e$B$,99?7$5$l$^$7$?!#e(B (by Usaku NAKAMURA)

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http://redmine.ruby-lang.org/issues/show/2331