擅长:python、mysql、java
<p>对于Bash 4:</p>
<pre><code>#!/bin/bash
declare -A astr
while IFS=, read -r col1 col2
do
if [ "$col1" != "SKU" ] && [ "$col1" != "" ]
then
(( astr[$col1] += col2 ))
fi
done < 2asg.csv
echo "SKU,QTY"
for i in "${!astr[@]}"
do
echo "$i,${astr[$i]}"
done | sort -t : -k 2n
</code></pre>
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