Change indentation of all blocks.

Use (setq org-src-preserve-indentation t) for Emacs.

image.org

@@ -8,15 +8,15 @@
 Press =C-x= to activate to key handler.
 
 #+begin_src conf
-  while read file
-  do
-      case "$1" in
-          "C-d")
-              mv "$file" ~/.trash ;;
-          "C-r")
-              convert -rotate 90 "$file" "$file" ;;
-          "C-c")
-              echo -n "$file" | xsel -ib ;;
-      esac
-  done
+while read file
+do
+    case "$1" in
+        "C-d")
+            mv "$file" ~/.trash ;;
+        "C-r")
+            convert -rotate 90 "$file" "$file" ;;
+        "C-c")
+            echo -n "$file" | xsel -ib ;;
+    esac
+done
 #+end_src