1 files changed, 24 insertions, 0 deletions
diff --git a/stamp/all.do b/stamp/all.do
new file mode 100644
index 0000000..d091f5e
--- /dev/null
+++ b/stamp/all.do
@@ -0,0 +1,24 @@
+#!/bin/sh
+echo 1 > b
+redo-ifchange a
+read a1 <a
+
+echo 2 > b
+redo-ifchange a
+read a2 <a
+
+echo 1 > b
+redo-ifchange b
+read a3 <a
+
+if [ $a1 -lt $a2 ]; then
+  echo 'PASS: a1 < a2' >&2
+else
+  echo 'FAIL: a1 > a2' >&2
+fi
+
+if [ $a2 -eq $a3 ]; then
+  echo 'PASS: a2 = a3' >&2
+else
+  echo 'FAIL: a2 != a3' >&2
+fi