Update cheatsheets

realpath

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# realpath
+
+> Display the resolved absolute path for a file or directory.
+> More information: <https://www.gnu.org/software/coreutils/realpath>.
+
+- Display the absolute path for a file or directory:
+
+`realpath {{path/to/file_or_directory}}`
+
+- Require all path components to exist:
+
+`realpath --canonicalize-existing {{path/to/file_or_directory}}`
+
+- Resolve ".." components before symlinks:
+
+`realpath --logical {{path/to/file_or_directory}}`
+
+- Disable symlink expansion:
+
+`realpath --no-symlinks {{path/to/file_or_directory}}`
+
+- Suppress error messages:
+
+`realpath --quiet {{path/to/file_or_directory}}`