From bc70de7b3302d5a81515b901cae376b8b51d2004 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Fri, 16 Jul 2010 13:09:56 +0300
Subject: Move to gawk-3.1.0.

---
 test/addcomma.awk | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 test/addcomma.awk

(limited to 'test/addcomma.awk')

diff --git a/test/addcomma.awk b/test/addcomma.awk
new file mode 100644
index 00000000..8f52f36b
--- /dev/null
+++ b/test/addcomma.awk
@@ -0,0 +1,15 @@
+# addcomma - put commas in numbers
+#   input:  a number per line
+#   output: the input number followed by
+#      the number with commas and two decimal places 
+
+{ printf("%-12s %20s\n", $0, addcomma($0)) }
+
+function addcomma(x,   num) {
+ 	if (x < 0)
+ 	    return "-" addcomma(-x)
+ 	num = sprintf("%.2f", x)   # num is dddddd.dd
+ 	while (num ~ /[0-9][0-9][0-9][0-9]/)
+ 	    sub(/[0-9][0-9][0-9][,.]/, ",&", num)
+ 	return num
+}
-- 
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