Information about related software
external_info()A list with elements:
cairo: The cairo version string.
libpng: The png version string.
jpeg: The jpeg version string.
tiff: The tiff library and version string used.
tcl: The tcl version string.
curl: The curl version string.
zlib: The zlib version string.
bzlib: The zlib version string.
xz: The zlib version string.
PCRE: The Perl Compatible Regular Expressions (PCRE) version string.
ICU: The International Components for Unicode (ICU) version string.
TRE: The TRE version string.
iconv: The iconv version string.
readline: The readline version string.
BLAS: The path with the implementation of BLAS in use.
LAPACK: The path with the implementation of LAPACK in use.
Note that calling this function will attempt to load the tcltk and grDevices packages.
Similar functions and objects in the base packages:
utils::sessionInfo(), base::extSoftVersion, tcltk::tclVersion()
base::La_library, base::La_version(), base::libcurlVersion().
if (FALSE) {
external_info()
}