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-rw-r--r--lib/csv/delete_suffix.rb18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/csv/delete_suffix.rb b/lib/csv/delete_suffix.rb
new file mode 100644
index 0000000000..e0b40c7aab
--- /dev/null
+++ b/lib/csv/delete_suffix.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# This provides String#delete_suffix? for Ruby 2.4.
+unless String.method_defined?(:delete_suffix)
+ class CSV
+ module DeleteSuffix
+ refine String do
+ def delete_suffix(suffix)
+ if end_with?(suffix)
+ self[0..(-(suffix.size + 1))]
+ else
+ self
+ end
+ end
+ end
+ end
+ end
+end