Fix spacial character in job

Author: Matteo-it

.github/workflows/preview.yml

@@ -22,23 +22,28 @@ jobs:
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@v44
+        with:
+          separator: '\n'
 
       - name: Enforce Image Size Limits on Changed Files
         if: steps.changed-files.outputs.all_changed_files
         run: |
           #!/bin/bash
           set -e
 
-          # Input from the previous step
-          CHANGED_FILES="${{ steps.changed-files.outputs.all_changed_files }}"
-
           IMAGE_LIMIT_MB=2
           GIF_LIMIT_MB=10
 
           OVERSIZED_IMAGES=""
           OVERSIZED_GIFS=""
 
-          for file in $CHANGED_FILES; do
+          while IFS= read -r file; do
+            if [ -z "$file" ]; then continue; fi
+            if [ ! -f "$file" ]; then
+              echo "Warning: Changed file not found, skipping: $file"
+              continue
+            fi
+
             if [[ "$file" == *.png || "$file" == *.jpg || "$file" == *.jpeg || "$file" == *.svg ]]; then
               size_in_bytes=$(stat -c%s "$file")
               limit_in_bytes=$((IMAGE_LIMIT_MB * 1024 * 1024))
@@ -54,7 +59,7 @@ jobs:
                 OVERSIZED_GIFS+="  - $file ($size_human)\n"
               fi
             fi
-          done
+          done <<< "${{ steps.changed-files.outputs.all_changed_files }}"
 
           # --- Report errors if any oversized files are found ---
           ERROR_MESSAGE=""