question: just delete a file . if the file is a directory , it 's work . concode_field_sep char ILLEGAL_FILENAME_CHARS_REPLACE concode_elem_sep char[] ILLEGAL_FILENAME_CHARS concode_field_sep void zip concode_elem_sep String sanitizeFileName concode_elem_sep String sanitizeFileName concode_elem_sep void zipDirectory concode_elem_sep void copy concode_elem_sep void unzip concode_elem_sep boolean deleteDirectory concode_elem_sep boolean copyDir
target: boolean function ( File arg0 ) { if ( arg0 . isDirectory ( ) ) { return deleteDirectory ( arg0 ) ; } else { return arg0 . delete ( ) ; } }