Internal Program Version: File::pushd 1.016.5.38.2
File::pushd does a temporary 'chdir' that is easily and automatically
reverted, similar to 'pushd' in some Unix command shells. It works by
creating an object that caches the original working directory. When the
object is destroyed, the destructor calls 'chdir' to revert to the original
working directory. By storing the object in a lexical variable with a
limited scope, this happens automatically at the end of the scope.
http://search.cpan.org/dist/File-pushd
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