Reading project file os.prj...
Running the test...
touch x touch y mkdir a mkdir b cd a mkdir c mkdir d touch r cp -r ../* .cd ..echo "before_du" du .touch s find . -name c-print touch z
 CreateEmptyFile 
 CreateEmptyFile 
 CreateEmptyFile 
 CreateEmptyFile 
 CreateEmptyFile 

compound(simple x simple y simple r simple s simple z)root
: FileSystem  (
	<root> : CompoundFile  (
		<contents> : File_PList  {
			<first> : Nonempty_File_PList  (
				<it> : SimpleFile  (
					<f> : FileName  (
						<ident>  : Ident "x" ) )
				<next> : Nonempty_File_PList  (
					<it> : SimpleFile  (
						<f> : FileName  (
							<ident>  : Ident "y" ) )
					<next> : Nonempty_File_PList  (
						<it> : SimpleFile  (
							<f> : FileName  (
								<ident>  : Ident "r" ) )
						<next> : Nonempty_File_PList  (
							<it> : SimpleFile  (
								<f> : FileName  (
									<ident>  : Ident "s" ) )
							<next> : Nonempty_File_PList  (
								<it> : SimpleFile  (
									<f> : FileName  (
										<ident>  : Ident "z" ) ) ) ) ) ) ) }
		<f> : FileName  (
			<ident>  : Ident "root" ) ) )
