diff --git a/labs/2/transform-to-double.sh b/labs/2/transform-to-double.sh
new file mode 100644
index 0000000..840698d
--- /dev/null
+++ b/labs/2/transform-to-double.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+sed -i 's/int/double/g;s/prdouble/print/g;s/Integer.parseInt/Double.parseDouble/g;s/for (double i/for (int i/g;s/for (double j/for (int j/g;s/matrix.py/double-matrix.py/g;s/double p/int p/g;s/double bytesRead/int bytesRead/g;s/double ref_length/int ref_length/g;s/double new/int new/g;s/%4d/%4.3f/g' Matrix.java Main.java
+
+javac Main.java Matrix.java
+rm random_matrix.txt