This is a simple program that prints the (decrunched) size of a file.
It uses XFD to accomplish this magic. And it's WB1.3 compatible.

Source in E supplied, and the XFD V38 includes for E.

This is version 1.2: cast the 'freshen' spell. Remove ARP bug.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  392     696  56.3% -lh5- f50e Jan  3  1998 RealSize/example.script
[generic]                 1560    2456  63.5% -lh5- 5d2c Apr 16  1998 RealSize/RealSize
[generic]                 3150    6725  46.8% -lh5- 3737 Apr 16  1998 RealSize/RealSize.guide
[generic]                  239     348  68.7% -lh5- 7b38 Apr  9  1998 RealSize/RealSize.readme
[generic]                  606    1145  52.9% -lh5- ce1c Apr  6  1998 RealSize/src/emodules/arp.m
[generic]                 3963   17106  23.2% -lh5- 3f5a Mar 29  1998 RealSize/src/emodules/libraries/xfdmaster.e
[generic]                 2725   10050  27.1% -lh5- 79b2 Mar 29  1998 RealSize/src/emodules/libraries/xfdmaster.m
[generic]                  217     423  51.3% -lh5- 5680 Mar 29  1998 RealSize/src/emodules/xfdmaster.m
[generic]                  437    1009  43.3% -lh5- 7088 Mar 29  1998 RealSize/src/emodules/xfdmaster_lib.fd
[generic]                  150     232  64.7% -lh5- ed4d Apr 10  1998 RealSize/src/makefile
[generic]                 1262    3125  40.4% -lh5- 6456 Apr 16  1998 RealSize/src/RealSize.e
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        11 files   14701   43315  33.9%            Apr 24  1998