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shell脚本之基本的数学逻辑比较

沪钢木子 2022-06-06 阅读 45
#!/bin/bash
a=10
b=20
if [ $a -eq $b ]
then
echo "a==b"
else
echo "a!=b"
fi

if [ $a -ne $b ]
then
echo "a!=b"
else
echo "a==b"
fi
if [ $a -gt $b ]
then
echo "a>b"
else
echo "a<=b"
fi
if [ $a -lt $b ]
then
echo "a<b"
else
echo "a>=b"
fi

if [ $a -ge $b ]
then
echo "a>=b"
else
echo "a<b"
fi

if [ $a -le $b ]
then
echo "a<=b"
else
echo "a>b"
fi

输出结果:
a!=b
a!=b
a<=b
a<b
a<b
a<=b

 


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