config += ['%s:USE_BASES Y%s' % ( lane_prefix, read_length ) ]
# add in option for running script after
- if options.post_run is not None:
+ if not (options.post_run is None or options.runfolder is None):
runfolder = os.path.abspath(options.runfolder)
post_run = options.post_run % {'runfolder': runfolder}
config += ['POST_RUN_COMMAND %s' % (post_run,) ]