变量相关---

赋值：

varas=(1 2 3 4)

varbs=(a b c d)

i=0

while [ $i -lt ${#varas[@]} ]

do

echo ${varas[i]}:${varbs[i]}

let i=i+1

done

 

赋值2:

string="1234 5678"

read a b <<<"$string"

echo $a

echo $b

赋值3：

 

IFS=: read A B C D E <<<"$STRING"

 

统计字符个数

while IFS= read -r line; do

echo ${#line}

done < infile

利用IFS读取数据

 

while IFS=: read a b c d e f
do

echo "a->[${a}]"

.....

done < myFile