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+This document explains how redirects generator works and how to run it.
+
+Redirects generator consists of two scripts: redirect from generator and redirects generator.
+
+## Redirect from generator
+
+The redirect from generator checks if docs have the `redirect_from` parameter in the front matter. If one or more documents don't have this parameter, the script adds it to them.
+
+### Run redirect from generator
+
+1. In `_scripts/redirects_generator/redirect_from_generator.sh`, define the document or the folder with documents to generate the parameter for:
+```sh
+...
+folder_path="{RELATIVE_PATH_TO_DOC_OR_FOLDER}"
+```
+  If the specified folder has subfolders, the script with recursively update the docs in them.
+
+2. In a terminal, run the script:
+```shell
+bash _scripts/redirects_generator/redirect_from_generator.sh
+```
+  This returns the list of docs the parameter has been added to.
+
+## Redirects generator
+
+The redirects generator appends the current path of one or more docs to their front matter. This is usually useful when you need to move a bunch of docs to another location. You need to run the script *before* you move the docs.
+
+### Run the redirects generator
+
+1. In `_scripts/redirects_generator/redirects_generator.sh`, define the absolute path to the repo on your machine:
+```text
+...
+root_directory="{ABSOLUTE_PATH_TO_REPO}"
+...
+```
+    It's needed to generate the redirects relative to the path of the repo.
+
+2. In `_scripts/redirects_generator/redirects_generator.sh`, define the the folder with documents to generate redirects for:
+```
+...
+folder_path="{RELATIVE_PATH_TO_DOC_OR_FOLDER}"
+...
+```  
+
+  If the specified folder has subfolders, the script with recursively update the docs in them.
+
+3. In a terminal, run the script:
+```shell
+bash _scripts/redirects_generator/redirects_generator.sh
+```
+
+This returns the list of docs the paths have been added to.
+
+4. In the updated docs, move the path to the `redirect_from` parameter in the front matter.