我有一个文件(大约6 GB),每一行都是JSON。
{"name":"name1", "age":40, "car":null}
{"name":"name2", "age":30, "car":null}
{"name":"name3", "age":30, "car":null}如何使用Python将其转换为JSON数组?
发布于 2021-08-09 12:15:49
import fileinput
for line in fileinput.input("test.txt", inplace=True):
if 1 != fileinput.filelineno():
print(',{}'.format(line), end='')
else:
print('[{}'.format(line), end='')
open("test.txt","a").write(']')发布于 2021-08-09 11:50:30
加载每一行并将其保存到列表中。
with open('file.txt', 'r') as in_file:
lines = [json.loads(line) for line in in_file.readlines()]然后,您可以将其保存到一个文件中,如使用json.dump()
with open('out.json', 'w') as out_file:
json.dump(lines, out_file)https://stackoverflow.com/questions/68711404
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