Added project code.

.github/workflows/tests.yml

@@ -11,4 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - run: echo "Would run tests"
+    - uses: actions/cache@v3
+      with:
+        path: /tmp/composer-cache
+        key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
+    - uses: php-actions/composer@v6
+    - run: composer lint
+    - run: composer test

README.md

@@ -18,10 +18,26 @@ Scan a file or a directory with shell scripts and extract all variables.
 
 ## Usage
 
-    vendor/bin/shell-variables-extractor
+Variables can have descriptions and default values that will be printed out
+to the STDOUT in the CSV format as `name, default_value, description`.
+
+This is helpful to maintain a table of variables and their descriptions in
+documentation.
+
+    ./extract-shell-variables.php path/to/file1 path/to/file2
+    ./extract-shell-variables.php path/to/dir
+
+With excluded file:
+
+    ./extract-shell-variables.php -e ../excluded.txt path/to/file
+
+Full:
+
+    ./extract-shell-variables.php  -t -m -e ./excluded.txt -u "<NOT SET>" ../
 
 ## Maintenance
 
     composer install
     composer lint
+    composer lint:fix
     composer test

composer.json

@@ -16,9 +16,17 @@
         "issues": "https://github.com/drevops/shell-variables-extractor/issues",
         "source": "https://github.com/drevops/shell-variables-extractor"
     },
-    "require": {},
     "scripts": {
-        "lint": "echo Would run code lint",
-        "test": "echo Would run tests"
+        "lint": "vendor/bin/phpcs -s --standard=Drupal extract-shell-variables.php",
+        "lint:fix": "vendor/bin/phpcbf -s --standard=Drupal extract-shell-variables.php",
+        "test": "cd ./tests && ./test.sh"
+    },
+    "require-dev": {
+        "drupal/coder": "^8.3"
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
     }
 }