From 7ab9ca8f57c44e812d3c782209a9e600dc513fbc Mon Sep 17 00:00:00 2001
From: wukong <wukong@longaeva>
Date: Mon, 12 Nov 2018 22:35:51 -0800
Subject: added optional precision argv to other scripts;

---
 fib.awk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'fib.awk')

diff --git a/fib.awk b/fib.awk
index d599caa..654921c 100644
--- a/fib.awk
+++ b/fib.awk
@@ -4,7 +4,8 @@
 # fib sol'n from Hamming
 
 BEGIN {
-    n = ARGV[1]
+    ARGV[1] ? n = ARGV[1] : n = 0
+    ARGV[2] ? OFMT = "%." ARGV[2] "g" : OFMT = "%g"
     print (1/sqrt(5))*(0.5*(1 + sqrt(5)))^n - (1/sqrt(5))*(0.5*(1 - sqrt(5)))^n
 }
 
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