如何在文件中获取特定单词？ [英] How to get a specific word in a file?

问题描述

如何获取文件中的特定行/单词。


Ex：

$ cat my_file.txt

1

2

3

4

5

6

7


我想得到7在文件my_file.txt中。 Tnx。


-coax

how can i get the particular line/word in the file.

Ex:
$ cat my_file.txt
1
2
3
4
5
6
7

I want to get the "7" in the file my_file.txt. Tnx.


-coax

推荐答案

cat my_file.txt

1

2

3

4

5

6

7


我想得到7在文件my_file.txt中。 Tnx。


-coax

cat my_file.txt
1
2
3
4
5
6
7

I want to get the "7" in the file my_file.txt. Tnx.


-coax

我想有一百万种方法可以做到这一点。命令行：


cat file.txt | grep7


将获得 7，但是在你获得之后你想用7做什么？它？

I suppose there is a million ways to do this. The command line:

cat file.txt | grep "7"

would "get" the 7, but what do you want to do with the 7 after you "get" it?

我想要的是拥有那条特定的线？

我故意使用AWK，但我希望将输入作为我的搜索文本。 />
这就是我的意思，

What I want is to have exactly that specific line?
Intentionally I used AWK but I want to have my input as my search text.
this is what exactly what i mean,

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