1 files changed, 8 insertions, 0 deletions
diff --git a/src/doc/book/tools/update-editions.sh b/src/doc/book/tools/update-editions.sh
new file mode 100755
index 000000000..bd52bc9c8
--- /dev/null
+++ b/src/doc/book/tools/update-editions.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -eu
+
+OLD_EDITION=2018
+NEW_EDITION=2021
+
+find listings/** -name "Cargo.toml" -exec sed -i '' "s/edition = \"$OLD_EDITION\"/edition = \"$NEW_EDITION\"/g" '{}' \;