Sorry, in the 1st version "listview datas" was a silly bug , it eats mem.
This update replaces the pic_with_datatype source and programm.
The source is free.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                10103   24464  41.3% -lh5- 6ae9 Mar 17  1997 Pic_with_datatype
[generic]                 1934    4679  41.3% -lh5- 7d71 Mar 17  1997 Pic_with_datatype.e
[generic]                  481     897  53.6% -lh5- 9143 Mar 16  1997 Pic_with_datatype.e.info
[generic]                  535     883  60.6% -lh5- ba3d Mar 16  1997 Pic_with_datatype.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files   13053   30923  42.2%            Mar 18  1997