def myreadline(f, newline): buf = "" while True: while True: pos = buf.index(newline) yield buf[:pos] buf = buf[pos + len(newline)] chunk = f.read(4096) if not chunk: # 已读到结尾 yield buf break buf += chunk with open("input.txt") as f: for line in myreadline(f, "{|}": print (line)
python读取以非换行符分隔的超大文件,并逐行输出
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转载自www.cnblogs.com/sqtu/p/10568906.html
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