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-rw-r--r--bin/ddup.awk2
1 files changed, 2 insertions, 0 deletions
diff --git a/bin/ddup.awk b/bin/ddup.awk
new file mode 100644
index 00000000..28b4d135
--- /dev/null
+++ b/bin/ddup.awk
@@ -0,0 +1,2 @@
+#!/usr/bin/awk -f
+!seen[$0]++