小编gra*_*red的帖子

我有一个包含 100 万行的文件，有些行是重复的。我想通过附加“变体”+一个数字来重命名重复的行。该文件的格式如下：

I am a test line
She is beautiful
need for speed
Nice day today
I am a test line
stack overflow is fun
I am a test line
stack overflow is fun
I have more sentences
I am a test line
She is beautiful
Speed for need
stack overflow is fun
Let's stop here

预期结果：

    I am a test line
    She is beautiful
    need for speed
    Nice day today
    I am a test line variant 1
    stack …