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-rwxr-xr-xtests/cli-opts.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/cli-opts.sh b/tests/cli-opts.sh
new file mode 100755
index 0000000..f06f8a6
--- /dev/null
+++ b/tests/cli-opts.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+set -eu
+
+"$1" | grep -qE '^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$'