Input and output
The source-function runs a script in the current session. If the filename does not include a path, current workind directory (cwd) is assumed. Input a script:
Sink-function defines the direction of the output. The append option controls whether output overwriter or adds to a file. The split option determines if output is also sent to the screen as well as the output file.
sink("myfile.txt", append=FALSE, split=FALSE) #return output to the terminal sink() sink("output.txt")
Output to jpeg-file.
# Data to plot x <- c(1,2,3) # Define output jpeg("myplot.jpg") # Plot picture plot(x) # Turn off output dev.off() # Other graphic outputs: pdf() png() bmp() postscript()