def update_files(ifs_files, args):
palette = None
if args.palette:
palette = Palette.from_open_file(args.palette)
for ifs_file in ifs_files:
g = pyifs.Generator.from_file(ifs_file)
if args.iterations:
g.iterations = args.iterations
if args.points:
g.num_points = args.points
if args.scale:
g.scale = args.scale
if args.gamma:
g.gamma = args.gamma
if args.zoom:
g.ifs.d = args.zoom
if args.colour or palette:
g.ifs.transforms = [(p, t.get_mutated_colour(palette=palette) ) for (p,t) in g.ifs.transforms]
if args.saturation:
adjust_saturation(g, args.saturation)
f = open(ifs_file, 'w')
f.write(repr(g))
f.truncate()
f.close()
