Features and Quick Reference of the R/Splus Perl Package

Start, stop and restart one or more Perl interpreters.

Call Perl sub-routines, and object and class methods.

.Perl.

Execute perl scripts, either as strings created in S or external files.

.PerlExpr, .PerlFile

Set and get elements of Perl arrays and tables using S's [ (and [<- operators. Also, compute the length of Perl arrays and tables.

Load a Perl package from S.

.PerlPackage

Examine and manipulate the Perl name spaces

.PerlObjects, .PerlGet, .PerlUndef, .PerlDiscard, .PerlExists,

Transfer S objects to Perl without assigning/binding them to Perl variables.

.PerlNewTable, .PerlNewArray

Query the current Perl foreign reference management.

.PerlReferenceCount .PerlReferenceObjects .PerlDiscard