#500G, 特殊 一行
def myreadlines(f, newline):
buf = ""
while True:
while newline in buf:
pos = buf.index(newline)
yield buf[:pos]
buf = buf[pos + len(newline):]
chunk = f.read(4096)
if not chunk:
#说明已经读到了文件结尾
yield buf
break
buf += chunk
with open("input.txt") as f:
for line in myreadlines(f, "{|}"):
print (line)
【python】生成器读取大文件
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转载自blog.csdn.net/qq_38065133/article/details/82724930
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