def __init__(self, sldir='<STR_LIT>', fname='<STR_LIT>'):
self.sldir= sldir<EOL>if not os.path.exists(sldir):  <EOL><INDENT>print('<STR_LIT>'+sldir+ '<STR_LIT>')<EOL>print('<STR_LIT>')<EOL>return None<EOL><DEDENT>else:<EOL><INDENT>self.data, self.col_num, self.cols, self.col_tot, self.ilines =self._readFile(fname,sldir)<EOL><DEDENT>
A xtime instance

Parameters
----------
sldir : string, optional
    The directory of the specified filename.  The default is './'.
fname : string, optional
    Specify alternative filename of file of type x-time.dat.  The
    default is 'x-time.dat'.

Returns
-------
xtime
    A xtime instance.