S-PLUS read functions {Rstreams} | R Documentation |
Reads binary data files or data.dump
files
that were produced in S-PLUS.
data.restore(filename, print = FALSE, verbose = FALSE) readSfile(filename, swapbytes = FALSE) SModeNames
filename |
the filename of the S-PLUS data.dump or binary file. |
swapbytes |
whether to change big to little-endian or vice versa. |
print |
whether to print the name of each object as read from the file. |
verbose |
whether to print the name of every subitem within each object. |
These functions were produced to test and demonstrate the stream
functions in Rstreams
. readSfile
can read the binary
files produced in recent versions of S-PLUS on either Windows
(versions 3.x, 4.x, 2000) or Unix (version 3.x with 4 byte integers).
It automatically detects whether the file was produced on a big- or
little-endian machine and adapts itself accordingly. data.restore
can read a similar range of files produced by data.dump
.
Not all S-PLUS objects can be handled in the current version. The most frequently encountered exceptions are functions and expressions; you'll also have trouble with objects that contain model formulas. In particular, comments will be lost from function bodies, and the argument lists of functions will often be changed.
The SModeNames
variable contains a list of the modes of variables
as used in S-PLUS.
an R version of the S-PLUS object.
Duncan Murdoch
pkgdir <- searchpaths()[match("package:Rstreams", search())] readSfile(file.path(pkgdir, "example", "_Data", "myobj")) data.restore(file.path(pkgdir, "example", "dumpdata"), print = TRUE) myobj