circuitpython/tests/io/file1.py

47 lines
843 B
Python
Raw Normal View History

f = open("io/data/file1")
print(f.read(5))
print(f.readline())
print(f.read())
f = open("io/data/file1")
print(f.readlines())
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", "r")
print(f.readlines())
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", "rb")
print(f.readlines())
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", mode="r")
print(f.readlines())
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", mode="rb")
print(f.readlines())
2015-12-23 17:37:02 -05:00
# write() error
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", "r")
2015-12-23 17:37:02 -05:00
try:
2021-03-15 09:57:36 -04:00
f.write("x")
2015-12-23 17:37:02 -05:00
except OSError:
2021-03-15 09:57:36 -04:00
print("OSError")
2015-12-23 17:37:02 -05:00
f.close()
# read(n) error on binary file
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", "ab")
2015-12-23 17:37:02 -05:00
try:
f.read(1)
except OSError:
2021-03-15 09:57:36 -04:00
print("OSError")
2015-12-23 17:37:02 -05:00
f.close()
# read(n) error on text file
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", "at")
2015-12-23 17:37:02 -05:00
try:
f.read(1)
except OSError:
2021-03-15 09:57:36 -04:00
print("OSError")
2015-12-23 17:37:02 -05:00
f.close()
# read() w/o args error
2021-03-15 09:57:36 -04:00
f = open("io/data/file1", "ab")
2015-12-23 17:37:02 -05:00
try:
f.read()
except OSError:
2021-03-15 09:57:36 -04:00
print("OSError")
2015-12-23 17:37:02 -05:00
f.close()