How does linux check whether a file exists

This article mainly introduces "how to check the existence of files in linux". In daily operation, I believe many people have doubts about how to check files in linux. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts of "how to check the existence of files in linux". Next, please follow the editor to study!

Linux check the existence of the file method: 1, use the test command to check the syntax "test-e"; 2, use the bash shell command to check the syntax "[- f file path] & & echo" found "| | echo" not found "".

The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

Linux checks whether the file exists

1. Test command

It is often used to test conditional expressions with the command test-e.

two。 Check with bash shell

Suppose we have a file directory / home/benben/go_project and a file / home/benben/go_project/test.txt, let's use the bash shell command to check whether this directory and file exist.

Check the directory and execute the command [- d / home/benben/go_project] & & echo "found" | | echo "not found" or [- d. / go_project] & & echo "found" | | echo "not found".

Check the file and execute the command [- f / home/benben/go_project/test.txt] & & echo "found" | | echo "not found" or [- f. / test.txt] & & echo "found" | | echo "not found"

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