Determine whether a directory exists in Bash

David Y.

The Problem

How can I determine whether a directory exists in Bash?

The Solution

We can check whether a directory exists using the test command-line utility, as below:

if test -d /path/to/directory; then echo "Directory exists." fi

Because the test command is used frequently in Bash expressions, we can write it as [] rather than typing out test:

if [ -d /path/to/directory ]; then echo "Directory exists." fi

The -d flag tests whether the provided name exists and is a directory. To test for regular files instead, we can use the -f flag. To test for both files and directories, we can use the -e flag.

More information about test can be found on its manual page, accessible by typing man test into the terminal.

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