如何将python屏幕输出保存到文本文件 [英] How to save python screen output to a text file

问题描述

我想从字典中查询项目并将打印的输出保存到文本文件中.

I'd like to query items from a dict and save the printed output to a text file.

这是我所拥有的:

import json
import exec.fullog as e

inp = e.getdata() #inp now is a dict() which has items, keys and values.

#Query

print('Data collected on:', inp['header']['timestamp'].date())
print('\n CLASS 1 INFO\n')

for item in inp['Demographics']:
    if item['name'] in ['Carly', 'Jane']:
        print(item['name'], 'Height:', item['ht'], 'Age:', item['years'])

for item in inp['Activity']:
    if item['name'] in ['Cycle', 'Run', 'Swim']:
        print(item['name'], 'Athlete:', item['athl_name'], 'Age:', item['years'])

推荐答案

让我总结一下所有的答案并补充一些.

Let me summarize all the answers and add some more.

• 要从脚本中写入文件，用户 文件 I/OPython 提供的工具(这是 f=open('file.txt', 'w') 的东西.

如果不想修改你的程序，你可以使用流重定向(都在 windows 和 类 Unix 系统).这是 python myscript >output.txt 东西.

If don't want to modify your program, you can use stream redirection (both on windows and on Unix-like systems). This is the python myscript > output.txt stuff.

如果您想在屏幕和日志文件中看到两者的输出，并且如果您使用的是 Unix，并且您不想修改您的程序，您可以使用 tee 命令(windows版本也存在，不过我没用过)

If you want to see the output both on your screen and in a log file, and if you are on Unix, and you don't want to modify your program, you may use the tee command (windows version also exists, but I have never used it)

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