diff --git a/run-fmt.sh b/run-fmt.sh
new file mode 100755
index 0000000..09bf12f
--- /dev/null
+++ b/run-fmt.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+function format() {
+    # format file
+    # typstyle --format $1
+
+    if [ -z "$1" ]; then
+        return
+    fi
+
+    local wd=$(dirname $(realpath "$1"))
+
+    echo "processing file $1..."
+    typstyle "$2" "$1" > /dev/null
+    if [ $? -eq 1 ]; then
+        echo "failed format validation: $1"
+        exit 1
+    fi
+    
+    local imports=$(rg "#import \"([a-z0-9/\-]+\.typ)\"" -Nor '$1' "$1")
+
+    # format all included files
+    while IFS= read -r line; do
+        if [ -z "$line" ]; then
+            continue
+        fi
+        format "$wd/$line" "$2"
+    done <<< "$imports"
+}
+
+case $1 in
+  "--format")
+    format "$2" "--inplace"
+    ;;
+  "--check")
+    format "$2" "--check"
+    ;;
+  *)
+    echo "unknown option: $1"
+    exit 1
+    ;;
+esac
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