diff --git a/dev/HOW_TO_IMPORT_ASSETS.md b/dev/HOW_TO_IMPORT_ASSETS.md
index 52c1289..21abe38 100644
--- a/dev/HOW_TO_IMPORT_ASSETS.md
+++ b/dev/HOW_TO_IMPORT_ASSETS.md
@@ -1,12 +1,4 @@
 # How to import assets?
 1. `sudo apt install magickimage`
-2. cd to a directory where there is *only* .png files (or subdirectories)
-3. Execute
-```sh
-for PNG in $(find . -type f -name "*.png")
-do
-	convert "$PNG" -alpha opaque "${PNG%.png}.xpm"
-	convert "$PNG" -alpha extract "${PNG%.png}.alpha.xpm"
-	rm "$PNG"
-done
-```
+2. cd to a directory where there is .png files
+3. Execute `dev/import_assets.sh`
diff --git a/dev/import_assets.sh b/dev/import_assets.sh
new file mode 100755
index 0000000..261bc22
--- /dev/null
+++ b/dev/import_assets.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+for PNG in $(find . -type f -name "*.png")
+do
+	convert "$PNG" -alpha opaque "${PNG%.png}.xpm"
+	convert "$PNG" -alpha extract "${PNG%.png}.alpha.xpm"
+	rm "$PNG"
+done