Section: Path Basics

Get dirname

bash
bash
dirname /var/log/nginx/access.log

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Show current path via shell variable
Print current directory using shell state.
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Get basename
Extract the last path component.
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Resolve relative path from base
Produce canonical path using a base directory.
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Iterate over files safely
Use NUL delimiters for filenames with spaces/newlines.
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Convert relative path to absolute path
Resolve a relative path from current directory.
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Test whether path exists
Check file or directory existence in shell scripts.
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