Preview a saved PNG in an R device window

Question

Is there a way print an existing PNG file to the device window, for example, let\'s say that you have saved a plot as PNG but you would like to preview it (for sanity) befor

Answer 1

You can import it and display it in R,

library(png)
img <- readPNG(system.file("img", "Rlogo.png", package="png"))
grid::grid.raster(img)