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-rw-r--r--tests/run-builtins4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/run-builtins b/tests/run-builtins
index 53d963e..db88c8c 100644
--- a/tests/run-builtins
+++ b/tests/run-builtins
@@ -1,2 +1,6 @@
+echo "warning: some of these tests may fail if process substitution has not" >&2
+echo "warning: been compiled into the shell or if the OS does not provide" >&2
+echo "warning: /dev/fd." >&2
+
${THIS_SH} ./builtins.tests > /tmp/xx 2>&1
diff /tmp/xx builtins.right && rm -f /tmp/xx