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-rwxr-xr-xtest/test.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/test.sh b/test/test.sh
index ec9d65c..855d6cf 100755
--- a/test/test.sh
+++ b/test/test.sh
@@ -3,7 +3,7 @@
TEST_INPUT="numbers.txt"
SORTER="./sorter"
-REF="sort -n -k 2"
+REF="sort -s -n -k 2"
SORTER_OUT="sorter_out.txt"
REF_OUT="ref_output.txt"