README: add sha example

2020-03-21 11:41:26 +01:00 · 2020-03-21 11:41:26 +01:00 · 4a0b3b9c65
commit 4a0b3b9c65
parent d70d902901
1 changed files with 15 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -1038,6 +1038,21 @@ clojure.core/ffirst
  Same as (first (first x))
 ```

+### SHA hash string and print in hex
+
+`sha.clj`:
+```
+(def hashed (.digest (.getInstance java.security.MessageDigest "SHA-1")
+                     (.getBytes "babashka")))
+(doseq [b hashed]
+  (print (format "%02X" b)))
+```
+
+``` shell
+bb sha.clj
+0AB318BE3A646EEB1E592781CBFE4AE59701EDDF
+```
+
 ## Thanks

 - [adgoji](https://www.adgoji.com/) for financial support