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1# Create two directories for further comparison.2# RUN: rm -rf %t/dir1 %t/dir23# RUN: mkdir -p %t/dir1 %t/dir24 5# An extra file in one of the directories, "diff -r" should fail.6# RUN: echo extra > %t/dir2/extrafile7# RUN: diff -r %t/dir1 %t/dir2