Network Security Internet Technology Development Database Servers Mobile Phone Android Software Apple Software Computer Software News IT Information

In addition to Weibo, there is also WeChat

Please pay attention

WeChat public account

Shulou

How does the Linux system judge whether a file exists?

2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

Share

Shulou(Shulou.com)06/01 Report--

Today, I will talk to you about how to judge the existence of files in the Linux system. Many people may not know much about it. In order to make you understand better, the editor has summarized the following contents for you. I hope you can get something according to this article.

The Linux system determines whether the file exists.

1. Use the ls command to judge

Ls-l / home/admin/test.txt # View the test.txt file information in the / home/admin/ directory. If it doesn't exist, an error will be reported. 2. Use find to find and judge.

Find / home-name "test.txt" # look for test.txt files in the / home directory and its subdirectories. If it doesn't exist, there will be no output. 3. Use shell script to determine

Save as abc.sh and run using sh abc.sh.

# delete if [!-f "/ data/test.txt" if the file exists; then echo "file does not exist" else echo file exists "fi after reading the above, do you have any further understanding of how the Linux system determines whether the file exists? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.

Views: 0

*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.

Share To

Development

Wechat

© 2024 shulou.com SLNews company. All rights reserved.

12
Report