check if a filename is `` safe '' no metacharacters or spaces . concode_field_sep int S_IXGRP concode_elem_sep int S_IXUSR concode_elem_sep int S_IRUSR concode_elem_sep int S_IRWXG concode_elem_sep int S_IWGRP concode_elem_sep int S_IRWXU concode_elem_sep int S_IXOTH concode_elem_sep int S_IWUSR concode_elem_sep int S_IWOTH concode_elem_sep String TAG concode_elem_sep int S_IRGRP concode_elem_sep int S_IROTH concode_elem_sep int S_IRWXO concode_elem_sep Pattern SAFE_FILENAME_PATTERN concode_field_sep boolean copyFile concode_elem_sep boolean copyToFile concode_elem_sep void deleteOlderFiles concode_elem_sep void stringToFile concode_elem_sep String readTextFile concode_elem_sep long checksumCrc32 concode_elem_sep int getFatVolumeId concode_elem_sep int setPermissions concode_elem_sep boolean sync
boolean function ( File arg0 ) { return SAFE_FILENAME_PATTERN . matcher ( arg0 . getPath ( ) ) . matches ( ) ; }