Update cheatsheets

bb

@@ -0,0 +1,26 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bb
+
+> Native Clojure interpreter for scripting.
+> More information: <https://book.babashka.org/#usage>.
+
+- [e]valuate an expression:
+
+`bb -e "(+ 1 2 3)"`
+
+- Evaluate a script [f]ile:
+
+`bb -f {{path/to/script.clj}}`
+
+- Bind [i]nput to a sequence of lines from `stdin`:
+
+`printf "first
+second" | bb -i "(map clojure.string/capitalize *input*)"`
+
+- Bind [I]nput to a sequence of EDN (Extensible Data Notation) values from `stdin`:
+
+`echo "{:key 'val}" | bb -I "(:key (first *input*))"`