判断是否是数字字母组合
#!/bin/bash
echo $1
if echo "$1" | grep -qv '^[a-zA-Z0-9]\+$'; then
echo "Error!!"
exit -1
fi
echo "success"
#!/bin/bash
echo $1
if echo "$1" | grep -qv '^[a-zA-Z0-9]\+$'; then
echo "Error!!"
exit -1
fi
echo "success"