diff --git a/split-info-file b/split-info-file
new file mode 100755
index 0000000000000000000000000000000000000000..331b00ff0087ed55f7141df56bd45ec7b3dc81ff
--- /dev/null
+++ b/split-info-file
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# split an info file into individual list files to make searching with an array job fast
+
+file=$1
+dirname=${file}.d
+prefix=${dirname}/list-
+
+mkdir -p ${dirname}
+srun -p amd-hdr100 --time 06:00:00 --mem 4G split -a 3 -d -l 5000000 ${file} ${prefix}