<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class=""><div class=""><br class=""></div></div></div></blockquote><div class=""><div class="gmail_default" style="font-family:georgia,serif;display:inline">Hi Sebastina, do you mean as long as write speed is fast enough, the reading side, after file opened, can read out data that are written after the file is opened? </div> </div></div></div></div></div></blockquote><div><br class=""></div></div>Yes, that’s correct. You have to keep track how much is already written and maybe keep a few bytes safety-distance ;) <div class="">Good luck!</div></body></html>