50 lines
851 B
Python
50 lines
851 B
Python
f = open("data/file1")
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print(f.read(5))
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print(f.readline())
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print(f.read())
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f = open("data/file1")
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print(f.readlines())
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f = open("data/file1", "r")
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print(f.readlines())
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f = open("data/file1", "rb")
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print(f.readlines())
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f = open("data/file1", mode="r")
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print(f.readlines())
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f = open("data/file1", mode="rb")
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print(f.readlines())
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# write() error
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f = open("data/file1", "r")
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try:
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f.write("x")
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except OSError:
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print("OSError")
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f.close()
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# read(n) error on binary file
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f = open("data/file1", "ab")
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try:
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f.read(1)
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except OSError:
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print("OSError")
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f.close()
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# read(n) error on text file
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f = open("data/file1", "at")
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try:
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f.read(1)
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except OSError:
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print("OSError")
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f.close()
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# read() w/o args error
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f = open("data/file1", "ab")
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try:
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f.read()
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except OSError:
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print("OSError")
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f.close()
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# close() on a closed file
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f.close()
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