The copy functions are wrappers for write.table() (and write.csv2())
with either file="clipboard-9999" (copy() and copy3()) or
file="gentleman_out.txt" (copy2()).
Details
copy(): Wrapper forwrite.csv2()to clipboard withfile="clipboard-9999". Ideal for copy-pasting a data.frame into Excel in non-English locale.copy2(): Wrapper forwrite.table()to disk withfile="gentleman_out.txt". This writes the table to a text file in the current directory.copy3(): wrapper forwrite.table()to clipboard withfile="clipboard-9999",sep="\t"(tab-delimited), andquote=FALSE. Ideal for copy-pasting a data.frame into a text file.