DAT file example, 1980 Census Summary Tape File 1 (STF1)
Description of DAT file format
Bob Healey's CODATA compression routines 5/5/78
copied 1/10/96 from seedis.lbl.gov::disk$seed4:[merrill.bky.compress]writeup.;1
(26 VMS blocks, 4-MAY-1979 09:38:51.17)
included as Appendix N of Codata User's Manual
(lblh::sy$ush1:[merrill.docs]codata.inc 10/29/81)
copied earlier from lblg::sys$user:[merrill.bky.compress]
copied earlier from BKY PSS compress/writeup (Bob Healey 5/5/78)
In the preceding document, 00B/05B means 00(octal) followed by 05(octal),.i.e. 05(hex). 12B (shift to ASCII) means 12(octal) = a(hex).
Fortran code for reading a DAT file
copied 1/10/96 from seedis.lbl.gov::disk$seed4:[seedis.healey]dcp.for;1 (72 VMS blocks, 13-JAN-1984 13:12:31.00)
Fortran code for writing a DAT file
copied 1/10/96 from seedis.lbl.gov::disk$seed4:[seedis.healey]codcomp.for;3 (59 VMS blocks, 1-AUG-1984 14:49:48.00)
back to SEEDIS compressed binary data file format
seedis/dat.html 1/11/96 in:
http://parep2.lbl.gov/mdocs
http://merrill.wwh.net/mdocs
http://imap.chesapeake.net/~merrill/mdocs