shell编程9*9乘法表
脚本内容#!/bin/bashfor i in "1" "2" "3" "4" "5" "6" "7" "8" "9"
do
for j in "1" "2" "3" "4" "5" "6" "7" "8" "9"
do
if [ ${j} -lt${i} ]
then
k=$((i * j))
echo -n ${i}*${j}=${k}$'\t'
fi
if [ ${j} -eq ${i} ]
then
k=$((i * j))
echo ${i}*${j}=${k}
fi
done
done
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