Macro | Description
\F | Filename including extension
\f | Filename only
\e | Extension only
\R | Full image resolution (pixels)
\w | Width in pixels
\h | Height in pixels
\c | Number of colors
\b | Number of bits per pixel
\P | Total number of pages
\p | Current page number
\s | File size in bytes
\S | File size in K (kilobytes)
\d | Full path to file (no trailing backslash)
\D | Full path to file (with trailing backslash)
\\ | Single backslash ('\')