# test reading a given number of characters


def do(mode):
 if mode == "rb":
 enc = None
 else:
 enc = "utf-8"
 f = open("unicode/data/utf-8_2.txt", mode=mode, encoding=enc)
 print(f.read(1))
 print(f.read(1))
 print(f.read(2))
 print(f.read(4))

 # skip to end of line
 f.readline()

 # check 3-byte utf-8 char
 print(f.read(1 if mode == "rt" else 3))

 # check 4-byte utf-8 char
 print(f.read(1 if mode == "rt" else 4))

 f.close()


do("rb")
do("rt")