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+---
+author: Alvie Rahman
+date: \today
+title: Bash notes
+---
+
+# `set` builtin[^gnuset]
+
+- `-e`--- exit a program if any program returns a non-zero error code (fails)
+
+[^gnuset]: https://www.gnu.org/savannah-checkouts/gnu/bash/manual/bash.html#The-Set-Builtin