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READSTAT(1)		    General Commands Manual		   READSTAT(1)

NAME
       readstat	- read and write data set files	from SAS, SPSS,	and Stata

SYNOPSIS
       readstat	input-file

       readstat	[-f] input-file	output-file

       readstat	[-f] input-file	metadata-file output-file

DESCRIPTION
       readstat	 converts  data	 set  files  from  popular statistics packages
       stored in both plain-text and binary formats.

       In the first invocation style,  readstat	 displays  metadata  from  in-
       put-file,  including  the  row  count, column count, text encoding, and
       timestamp.  input-file should be	a file with one	of the	following  ex-
       tensions:

       sas7bdat
	      SAS binary file, created with SAS	version	7 or newer

       xpt    SAS  portable file, version 5 or version 8, created with the SAS
	      XPORT command

       sav    SPSS uncompressed	binary file

       zsav   SPSS compressed binary file

       por    SPSS portable file

       dta    Stata binary file, version 104 or	newer

       If the row count	cannot be determined from the file  header,  which  is
       sometimes the case with SPSS binary files and always the	case with SPSS
       portable	files, readstat	will report a value of -1.

       In the second invocation	style, readstat	converts input-file to output-
       file,  e.g. a SAS portable file to a Stata binary file.	In addition to
       the preceding extension list, output-file may  have  extension  csv  or
       xlsx, which creates a CSV or Excel file,	respectively.

       The  third  invocation style is used when additional metadata about the
       input file, such	as value labels	or column widths, is stored in a sepa-
       rate file.  Several types of metadata file are supported:

       sas7bcat
	      SAS binary "catalog" file, created with SAS version 7 or	newer,
	      containing value labels

       json   JavaScript  Object Notation (JSON) file, containing column meta-
	      data that	cannot be gleaned from the input CSV. For details, see
	      the manual page for the extract_metadata command.

       dct    Stata dictionary file, containing	the  data  layout  and	column
	      metadata for a plain-text	input file.

       sps    SPSS  command  file, describing the data layout and column meta-
	      data for a plain-text input file.

       sps    SAS command file,	describing the data layout and column metadata
	      for a plain-text input file.

       The last	three formats can be used for both fixed-width and  delimiter-
       separated (e.g. tab-separated) input files. These are commonly distrib-
       uted along with plain-text ASCII	data sets.

       Both input and output formats are implied by the	file extension.

OPTIONS
       -f     Overwrite	any existing output-file.

BUGS
       SAS  binary files created by readstat do	not open with current versions
       of SAS.

       The finer details of format strings (e.g.  "%8.2g")  are	 not  properly
       converted between file formats.

AUTHOR
       Copyright (C) 2012-2019 Evan Miller, and	others where indicated.

				23 January 2019			   READSTAT(1)

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