| A file to which gnuplot commands can be written.    Sometimes it is convenient to write gnuplot commands to a command
    file for later evaluation.  In that case, one of these objects is
    used as a mock gnuplot process.  Note that temporary files may be
    deleted before you have time to execute the file!     Members:
        gnuplotthe file object gathering the commands.     Methods:
        __init__open the file.        __call__write a gnuplot command to the file, followed by a
            newline.        writewrite an arbitrary string to the file.        flushcause pending output to be written immediately. 
        
            | Methods |  |  
        | __call__ __init__
 
 |  
            |  | __call__ |  
        | 
__call__ ( self,  s )
 Write a command string to the file, followed by newline. |  
            |  | __init__ |  
        | 
__init__ ( self,  filename )
 Open the file for writing. |  |