|
b = bytearray(30)
|
|
f = open("io/data/file1", "rb")
|
|
print(f.readinto(b))
|
|
print(b)
|
|
f = open("io/data/file2", "rb")
|
|
print(f.readinto(b))
|
|
print(b)
|
|
|
|
# readinto() on writable file
|
|
f = open('io/data/file1', 'ab')
|
|
try:
|
|
f.readinto(bytearray(4))
|
|
except OSError:
|
|
print('OSError')
|