195 Tenth Line 第十行
Description:
Given a text file file.txt, print just the 10th line of the file.
Example:
Assume that file.txt has the following content:
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
Your script should output the tenth line, which is:
Line 10
Note:
- If the file contains less than 10 lines, what should you output?
- There's at least three different solutions. Try to explore all possibilities.
题目描述:
给定一个文本文件 file.txt，请只打印这个文件中的第十行。
示例：
假设 file.txt 有如下内容：
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
你的脚本应当显示第十行：
Line 10
思路:
awk命令
代码:
Bash:
awk -F: "NR==10{print}" file.txt
