35 lines
560 B
Python
35 lines
560 B
Python
f = open("io/data/file1", "rb")
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print(f.seek(6))
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print(f.read(5))
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print(f.tell())
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print(f.seek(0, 1))
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print(f.read(4))
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print(f.tell())
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print(f.seek(-6, 2))
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print(f.read(20))
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print(f.tell())
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print(f.seek(0, 0))
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print(f.read(5))
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print(f.tell())
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f.close()
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# test text mode
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f = open("io/data/file1", "rt")
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print(f.seek(6))
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print(f.read(5))
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print(f.tell())
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f.close()
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# seek closed file
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f = open("io/data/file1", "r")
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f.close()
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try:
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f.seek(1)
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except (OSError, ValueError):
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# CPy raises ValueError, uPy raises OSError
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print("OSError or ValueError")
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