How to check if a file exists in linux

Linux method to check whether the file exists: 1. Use the test command to check, the syntax "test -e <file>"; 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, using The command is test -e <file>.

2. Use bash shell to check

Assume we have the file directory /home/benben/go_project and the file /home/benben/go_project/test.txt , below we 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"

Related recommendations: "Linux Video Tutorial"

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