we might need this sles10 stuff latersles10-bash

1 files changed, 13 insertions, 0 deletions

diff --git a/scratch/bash-3.1-postpatch/examples/functions/fact b/scratch/bash-3.1-postpatch/examples/functions/fact
new file mode 100644
index 0000000..97efd49
--- /dev/null
+++ b/scratch/bash-3.1-postpatch/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 )) ) ))
+}