Here's the solution I'm using now, but it is not very "clean": png("out.png") plot(c(1,2,3)) dev.off()
system("base64 -w0 out.png > out.base64") b64txt <- readLines(file("out.base64","rt")) It would be nice to have an internal solution, even if this exactly does what I want. Patrick Gabor Grothendieck wrote: > On Wed, Mar 4, 2009 at 9:17 AM, Patrick Meyer <pater...@gmail.com> wrote: > >> Hello >> >> My question might sound awkward, but I am looking for a way to somehow >> convert a plot in R into a base64 string. >> >> Here's an idea, but it is not at all satisfying. >> >> 1. write the plot to the harddisk: >> --------------------------- >> png("toto.png") >> plot(c(1,2,3)) >> dev.off() >> --------------------------- >> >> 2. somehow reload that file from the disk and transform it into a base64 >> string: >> --------------------------- >> bin<-readBin(file("toto.png","rb"), raw(), n=1000,endian = "little") >> > > This isn't much of an improvement and does not even address the main > concern but as no one has answered note that we can pass the filename > as a character string and it will get "rb" automatically and we can > just use "raw" if we like. Also n can be any size larger than the file > size (see ?readBin) so if the file size is 10000 or less: > > readBin("toto.png", "raw", n = 10000, endian = "little") > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.