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Python 和阅读行

发布于 2024-07-23 10:53:33 字数 109 浏览 4 评论 0原文

当我运行 .exe 文件时，它会将内容打印到屏幕上。我不知道我想要打印的具体行，但是有没有办法让 python 打印“Summary”之后的下一行？我知道打印时就在那里，之后我需要信息。谢谢！

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岁月静好 2024-07-30 10:53:33

非常简单的 Python 解决方案：

def getSummary(s):
    return s[s.find('\nSummary'):]

这将返回 Summary 第一个实例之后的所有内容

如果您需要更具体，我建议使用正则表达式。

Really simple Python solution:

def getSummary(s):
    return s[s.find('\nSummary'):]

This returns everything after the first instance of Summary

If you need to be more specific, I'd recommend regular expressions.

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你是我的挚爱i 2024-07-30 10:53:33

实际上

program.exe | grep -A 1 Summary

会做你的工作。

actually

program.exe | grep -A 1 Summary

would do your job.

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度的依靠╰つ 2024-07-30 10:53:33

如果 exe 打印到屏幕，则将该输出通过管道传输到文本文件。我假设 exe 在 Windows 上，然后从命令行：

myapp.exe > 输出.txt

类似于：

try:
    f = open("output.txt", "r")
    lines = f.readlines()
    # Using enumerate gives a convenient index.
    for i, line in enumerate(lines) :
        if 'Summary' in line :
            print lines[i+1]
            break                # exit early
# Python throws this if 'Summary' was there but nothing is after it.
except IndexError, e :
    print "I didn't find a line after the Summary"
# You could catch other exceptions, as needed.
finally :
    f.close()

If the exe prints to screen then pipe that output to a text file. I have assumed the exe is on windows, then from the command line:

myapp.exe > output.txt

And your reasonably robust python code would be something like:

try:
    f = open("output.txt", "r")
    lines = f.readlines()
    # Using enumerate gives a convenient index.
    for i, line in enumerate(lines) :
        if 'Summary' in line :
            print lines[i+1]
            break                # exit early
# Python throws this if 'Summary' was there but nothing is after it.
except IndexError, e :
    print "I didn't find a line after the Summary"
# You could catch other exceptions, as needed.
finally :
    f.close()

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