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annotate calc_avg.sh @ 0:580b2753e17c default tip

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hg init
author Shoshi TAMAKI
date Wed, 20 Feb 2013 20:14:09 +0900
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1 #!/bin/sh
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2
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3 function average() {
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4 total=0.0
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5 count=0
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6 while read time
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7 do
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8 total=`echo $total + $time | bc`
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9 count=`echo $count + 1 | bc`
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10 done
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11 avg=`echo "scale=4;$total/$count" | bc`
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12 echo "$count,$avg"
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13 }
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14
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15 for arg in $@
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16 do
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17 average < $arg
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18 done