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A reverse engineering of the sas7bdat database file format

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These come from https://support.sas.com/documentation/onlinedoc/dfdmstudio/2.6/dmpdmsug/Content/dfU_Encodings_SAS.html And from ReadStat

This code was observed in some test files. I can run `rst2latex` and re-push, but I don't have that program installed and wanted to get this PR open first.

Might need some cleaning up, and someone needs to run `rst2latex` on it, but this should be a good starting point. See #14

I'll open a PR on the RST file if I have time, but I'd like to quickly share a discovery about the Row Size subheader that should make everyone's life...

The current function is set to read from buffer, but when the SAS files are extremely large this chokes. My thought is to fork a set of the read functions...

Following code ``` from sas7bdat import SAS7BDAT with SAS7BDAT('10rec.sas7bdat') as f: df2 = f.to_data_frame() ``` produces > [10rec.sas7bdat] header length 73728 != 8192 > [10rec.sas7bdat] column count mismatch > This...

I am using the sas7bdat.parso in R to convert the compressed sas7bdat data into csv, but it failed with java.lang.ClassFormatError: s7b2csvclass returned unrecognized class file version. do you know how...

I have a file that I received which is a big-endian sas7bdat file. When I try to read it with read.sas7bdat, I get this error: ``` Error in read.sas7bdat(file.path(datadir, "myfile.sas7bdat"))...

Error Message: Error in read.sas7bdat("a.sas7bdat"): unknown host X64_SRV, please report bugs to [email protected] And here is the SAS version info: ![capture](https://cloud.githubusercontent.com/assets/13750687/11558100/93a0b37e-99eb-11e5-9dfe-8f575122e3c6.PNG) Can you help to look into this? thanks!