linux array

note： https://blog.youkuaiyun.com/u014297722/article/details/54601660?utm_source=itdadao&utm_medium=referral

#! /bin/bash
firstArg=$1

default_IFS=”$IFS”
IFS=”,”

allArg=($firstArg)

IFS=”$defalut_IFS”

for eachArg in ${allArg[@]}

do
echo $eachArg
done

note: it is used to pass arg, arg, arg with $1 into array allArg and use it later.