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-rw-r--r--sample/dbm.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/sample/dbm.rb b/sample/dbm.rb
index a2e0659bf5..c77cc2065b 100644
--- a/sample/dbm.rb
+++ b/sample/dbm.rb
@@ -1,4 +1,6 @@
# ruby dbm acess
+require "dbm"
+
d = DBM.open("test")
keys = d.keys
if keys.length > 0 then