Question

我想在“config vdom”字符串的第3场比赛后追加线条。不幸的是，剧本只考虑第一场比赛。

原始代码：

x = list()

def z():
with open('test.conf', 'r') as rf:
    for line in rf:
        if 'config vdom\n' in line:
            while True:
                line = (rf.__next__())
                if 'end\n' in line:
                    break
                x.append(line)
            with open('test.txt', 'w') as wf:
                wf.writelines(x)
            return

我打算使用枚举，但不确定如何在添加下一行时应用它。

枚举行：

z = [i for i, n in enumerate(y) if n == 'config vdom\n'][2]
print('Line', z, ':', y[z])

输出：

Line 10310 : config vdom

示例数据：

config vdom
config system global
    set admin-maintainer disable
    set admin-scp enable
 end
config vdom*
config system accprofile
    edit "prof_admin"
        set admingrp read-write
        set utmgrp read-write
        set vpngrp read-write
        set wanoptgrp read-write
        set wifi read-write
config vdom*
test sample data
end

预期输出：应该在x列表中添加以下三行。

config vdom*
test sample data
end

Answer 1

这应该有所帮助。

with open('test.txt', 'a') as wf:
    with open('test.conf', 'r') as rf:
        c = 0                 #Checkvalue
        for line in rf:
            if 'config vdom\n' in line:
                c += 1
                if c == 3:      #Check if 3rd "config vdom"
                    while True:
                        line = next(rf)
                        if 'end\n' in line:
                            break
                        wf.writelines(line)      #Write required content.

Answer 2

itertools.groupby可以提供帮助：

from itertools import groupby
from io import StringIO

text = '''config vdom
config system global
    set admin-maintainer disable
    set admin-scp enable
 end
config vdom*
config system accprofile
    edit "prof_admin"
        set admingrp read-write
        set utmgrp read-write
        set vpngrp read-write
        set wanoptgrp read-write
        set wifi read-write
config vdom*
test sample data
end'''

count = 0
with StringIO(text) as file:
    for key, group in groupby(file, key=lambda x: 'config vdom' in x):
        if key is True:
            count += 1
        if count == 3 and key is False:
            with StringIO() as out_file:
                out_file.writelines(group)
                print(out_file.getvalue())

打印（或写入您的文件）

test sample data
end

...是您想要的输出吗？

对于key出现的每一行，

True将为'config vdom'，对于所有其他行，

group将为key。 StringIO会收集所有行，直到sudo port install libsdl2 libsdl2_image libsdl2_ttf libsdl2_mixer的值发生变化。

您需要将所有$(document).ready(function(){ $(".kl > #nav__ul1-show").click(function(){ $(this).find(".nav__ul1").show(); }); });部分替换为所需的文件。

在第n次匹配后复制下一行 - Python

2 个答案: