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diff calc_avg.sh @ 0:580b2753e17c default tip

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author Shoshi TAMAKI
date Wed, 20 Feb 2013 20:14:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/calc_avg.sh	Wed Feb 20 20:14:09 2013 +0900
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+function average() {
+ total=0.0
+ count=0
+ while read time
+ do
+  total=`echo $total + $time | bc`
+  count=`echo $count + 1 | bc`
+ done
+ avg=`echo "scale=4;$total/$count" | bc`
+ echo "$count,$avg"
+}
+
+for arg in $@
+do
+ average < $arg
+done