From 772f20abb0a3a0979c440114bf3a1cff5b3cef03 Mon Sep 17 00:00:00 2001
From: cvpcs <root@cvpcs.org>
Date: Wed, 2 Jun 2010 11:02:31 -0500
Subject: initial import of bash 4.1

---
 examples/functions/fact | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 examples/functions/fact

(limited to 'examples/functions/fact')

diff --git a/examples/functions/fact b/examples/functions/fact
new file mode 100644
index 0000000..97efd49
--- /dev/null
+++ b/examples/functions/fact
@@ -0,0 +1,13 @@
+# Who said shells can't use recursion?  Here is a factorial function.
+# You call it with a number as an argument, and it returns the factorial
+# of that number.
+
+fact ()
+{
+    local num=$1;
+    if [ "$num" = 1 ] ; then
+        echo 1
+        return ;
+    fi;
+    echo $(( $num * $(fact $(( $num - 1 )) ) ))
+}
-- 
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