shell批量修改文件参数，采用数组方式对应修改

#!/bin/bash
#脚本开发：万杨
#脚本自动替换参数
setcs=(
"error_reporting ="
"display_errors ="
"date.timezone ="
"post_max_size ="
"upload_max_filesize ="
)
upsetcs=(
"error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT & ~E_NOTICE;"
"display_errors = On;"
"date.timezone = PRC;"
"post_max_size = 32M;"
"upload_max_filesize = 32M;"
)
suzu=${#setcs[*]} ; echo "修改文件总参数个为：$suzu"
# 由于数组角标默认从0开始,数组角标数数到元素个数会多出一个空的，才用小数组个数6==》6-1=0~5
phpini="/etc/opt/remi/php74/php.ini"
if [ ! -e $phpini.back ]
then
     echo "备份"
     cp $phpini $phpini.back
   else 
     echo "备份文件存在：$phpini.back"
fi

for((i=0;i<$suzu;i++))
  do
    set=${setcs[$i]} ; upset=${upsetcs[$i]}
    NR=`cat -n $phpini | grep "$set" | awk -F" " '{print $1}'` ; echo "行信息： $NR"
    
    if [[ ${NR} =~ ^[0-9]+ ]]
     then
         echo "$set   +++++> 参数更新： $upset  
         -------------------------------------------------------------"
         sed -i "$NR a $upset" $phpini
         sed -i "$NR d" $phpini
         echo "修改后的信息：";  cat $phpini | grep "$set"
     else   
         echo "$NR 没有获取到行 $setcs 退出修改"
     fi
 done