ppam_exe = function(path=".", np=parallel::detectCores(), data=NULL, args="DontLetMeEmpty") { command_line = paste("mpirun -np ",np," ",path,"/ppam.exe",sep="") #if data provided (as data.frame or matrix...): binarize it, and add it as first argument if (!is.null(data)) { write.csv(data, "/tmp/data_csv") system(paste(path,"/ppam.exe serialize /tmp/data_csv /tmp/data_bin 0 0",sep="")) command_line = paste(command_line," ","/tmp/data_bin",sep="") } command_line = paste(command_line," ",args,sep="") system(command_line) }