- filename
- character, the SAS database filename 
    
- accessed
- POSIXct, the date last retrieved 
    
- uncompressed
- numeric, file size (bytes) 
    
- gzip
- numeric, gzip compressed file size (bytes) 
    
- bzip2
- numeric, bzip2 compressed file size (bytes) 
    
- xz
- numeric, xz compressed file size (bytes) 
    
- url
- character, the Universal Resource Locator 
    
- PKGversion
- character, the sas7bdat package version 
    
- message
- character, message returned by - read.sas7bdat(if any)
 
    
- SASrelease
- character, SAS release 
    
- SAShost
- character, SAS host platform 
    
- OSversion
- character, OS version 
    
- OSmaker
- character, OS maker 
    
- OSname
- character, OS name 
    
- endianness
- character, endianness of header fields 
    
- winunix
- character, platform type