boolean function ( final String arg0 ) { return false ; }
create a directory if ot does not exist concode_field_sep Class THIS_CLASS concode_elem_sep FileSystem m_DFS concode_elem_sep AmazonS3Accessor[] EMPTY_ARRAY concode_field_sep boolean deleteFile concode_elem_sep InputStream openFileForRead concode_elem_sep boolean isFile concode_elem_sep String[] ls concode_elem_sep boolean expunge concode_elem_sep OutputStream openFileForWrite concode_elem_sep void main concode_elem_sep void writeToFileSystem concode_elem_sep void writeToFileSystem concode_elem_sep void writeToFileSystem concode_elem_sep void guaranteeDirectory concode_elem_sep void copyFromFileSystem concode_elem_sep FileSystem getDFS concode_elem_sep void guaranteeFile concode_elem_sep boolean isEmptyDirectoryAllowed concode_elem_sep boolean exists concode_elem_sep String absolutePath concode_elem_sep String pwd concode_elem_sep String readFromFileSystem concode_elem_sep boolean isDirectory concode_elem_sep long fileLength