//&@cd "C:\Program Files\abc"&cls&dir /a-d/b "config.ini"|cscript -nologo -e:jscript "%~f0"&pause&exit

function reStr(file){
    var f = fso.opentextfile(file, 1);
    str = f.ReadAll().replace(/^(\[app3\]\r\nWSNADDR=).*/mg, '$1//10.177.102.13:5070,//10.177.102.14:5070');
    f.Close();
    var f = fso.opentextfile(file, 2);
    f.Write(str);
}
var fso = new ActiveXObject('Scripting.FileSystemObject');
while(!WScript.StdIn.AtEndOfStream)reStr(WScript.StdIn.ReadLine());
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@echo off
setlocal enabledelayedexpansion
(for /f "usebackq delims=" %%a in ("C:\Program Files\abc\config.ini") do (
    if "!str!"=="[app1]" (
        echo,WSNADDR=//10.177.102.13:5070,//10.177.102.14:5070
    ) else (
        echo,%%a
    )
    set str=%%a
))>a.temp
move "a.temp" "C:\Program Files\abc\config.ini"
pause
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@echo off
setlocal enabledelayedexpansion

set r=0
for /f "delims=" %%a in (config.ini) do (
    set /a r+=1
    if "!r!"=="2" (
        echo WSNADDR=//10.177.102.13:5070,//10.177.102.14:5070
    ) else (
        echo %%a
    )
)
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