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docs/commands/path-relative-to.md

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+# path relative-to
+Get a path as relative to another path.
+
+Can be used only when the input and the argument paths are either both
+absolute or both relative. The argument path needs to be a parent of the input
+path.
+
+## Usage
+```shell
+> path relative-to <path> ...args {flags} 
+ ```
+
+## Parameters
+* `<path>` Parent shared with the input path
+* ...args: Optionally operate by column path
+
+## Flags
+* -h, --help: Display this help message
+
+## Examples
+  Find a relative path from two absolute paths
+```shell
+> '/home/viking' | path relative-to '/home'
+ ```
+
+  Find a relative path from two relative paths
+```shell
+> 'eggs/bacon/sausage/spam' | path relative-to 'eggs/bacon/sausage'
+ ```
+