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$ cat samefile.c /* samefile -- decides whether two files given as arguments are the sa +me. ... $ ./samefile /usr/local/libexec/git-core/git-{diff,commit}; echo $? 0 $
$ test /usr/local/libexec/git-core/git-diff -ef /usr/local/libexec/git +-core/git-pull; echo $? 1 $ test /usr/local/libexec/git-core/git-diff -ef /usr/local/libexec/git +-core/git-commit; echo $? 0