qspng - Utility to draw a png graph from qslog output data.
qspng is a tool to generate png (portable network graphics)
raster images files from semicolon separated data generated by the
qslog utility. It reads up to the first 1440 entries (24 hours)
and prints a graph using the values defined by the 'parameter' name.
Type qspng (without arguments) for detailed usage information.