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Full Discussion: Decode windows .dat file
Special Forums Windows & DOS: Issues & Discussions Decode windows .dat file Post 302971940 by Projecteer on Wednesday 27th of April 2016 10:04:10 AM
Old 04-27-2016
A .dat is quite a commonly used extension to mean "data", it can be generated by many programs and although I've seen many .dat file headers, I've never seen that header at the start.

it doesn't have an ascii fourcc at the start, so that gives me no clues. I would guess its just data from the start as the values as longs or shorts are very high, unless there are about 43k records or size? i'm just guessing now.
Code:
ª.<+`V

Can you provide the data originator application name?

Is it possible it could be compressed, and headers are omitted (ie a gz stream)
 

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UNKNOWN(1)						      General Commands Manual							UNKNOWN(1)

NAME
unknown - identify possible genotypes for unknowns SYNOPSIS
A program to rapidly identify which genotypes are possible for individuals typed as unknowns in the input pedigree. unknown [ -cl ] DESCRIPTION
unknown infers possible genotypes and mating combinations for parents with unknown genotypes for ilink(1), mlink(1) and linkmap(1). OPTIONS
-c Use conditional allele frequencies. -l Choose a good set of loop breakers automatically. RETURN VALUE
0 Successful completion ERRORS
10 File not found 255 Failure EXAMPLES
Normally, unknown(1) is run immediately prior to its sister programs, ilink(1), mlink(1) and linkmap(1), like this: unknown mlink FILES
unknown(1) reads the two files pedfile.dat and datafile.dat as its own input and produces various temporary files that are used as input to the next program. These temporary files are ipedfile.dat, upedfile.dat, speedfile.dat and newspeedfile.dat. NOTES
unknown(1) is part of the FASTLINK package, which is a re-implementation of the LINKAGE suite of computer tools that help investigate genetic linkage as first proposed G.M. Lathrop, J.M. Lalouel, C. Julier, and J. Ott. AUTHORS
Dylan Cooper, Alejandro Schaffer, and Tony Schurtz based on work originally by Jurg Ott, Ph.D, et. al. This manual page was written by Elizabeth Barham <lizzy@soggytrousers.net> for the Debian GNU/Linux system (but may be used by others). WORD-WIDE-WEB http://www.ncbi.nlm.nih.gov/CBBResearch/Schaffer/fastlink.html SEE ALSO
ilink(1), linkmap(1), lodscore(1), mlink(1). April 15, 2003 UNKNOWN(1)
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