def write_ascii(self, scans, **kws):
        if not HAS_SFDW:
            raise ImportError('specfiledatawriter required for this method!!!')
        #get keywords arguments
        cntx = kws.get('cntx', self.cntx)
        csig = kws.get('csig', self.csig)
        cmon = kws.get('cmon', self.cmon)
        csec = kws.get('csec', self.csec)
        norm = kws.get('norm', self.norm)

        nscans = _checkScans(scans)
        for scn in nscans:
            x, y, m, i = self.get_scan(scan=scn, scnt=None, cntx=cntx, cnty=None, csig=csig, cmon=cmon, csec=csec, norm=norm)
            fout = SpecfileDataWriter('{0}_S{1}'.format(self.fname, str(scn).rjust(3, '0')))
            fout.wHeader(epoch=self.sf.epoch(), date=self.sf.date(), title='spec2spec', motnames=self.sf.allmotors())
            fout.wScan(['Energy', '{0}'.format(i['zlabel'])], [x, y], title='{0}'.format(self.sd.command()), motpos=self.sd.allmotorpos())
        
           
### LARCH ###
Return the deadline, if set explicitly (otherwise None).
dataset/ETHPy150Open xraypy/xraylarch/plugins/io/specfiledata.py/SpecfileData.write_ascii--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/apiproxy_stub_map.py/UserRPC.deadline