mirror of
https://github.com/FAUSheppy/config
synced 2026-04-26 19:42:30 +02:00
44 lines
1.0 KiB
Python
Executable File
44 lines
1.0 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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def is_binary(path, chunk_size=1024):
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try:
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with open(path, 'rb') as f:
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chunk = f.read(chunk_size)
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if not chunk:
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return False # empty file → treat as text
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# If there are null bytes, it's very likely binary
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if b'\x00' in chunk:
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return True
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# Define what we consider "text" bytes
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text_bytes = bytearray(range(32, 127)) + b'\n\r\t\f\b'
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# Count non-text bytes
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nontext = sum(byte not in text_bytes for byte in chunk)
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# If more than 30% are non-text, treat as binary
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return (nontext / len(chunk)) > 0.3
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except Exception:
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# On error (e.g., file not readable), treat as binary
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return True
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def main():
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if len(sys.argv) != 2:
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print(f"Usage: {sys.argv[0]} <file>", file=sys.stderr)
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sys.exit(1)
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path = sys.argv[1]
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if is_binary(path):
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sys.exit(1)
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else:
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sys.exit(0)
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if __name__ == "__main__":
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main()
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