https://forge.codesys.com/forge/talk/Engineering/thread/28727a6232/2020-02-27T13:50:13.130000ZRecent posts to File Access Problem2020-02-27T13:50:13.130000Z2020-02-27T13:50:13.130000Ztimvhhttps://forge.codesys.com/u/timvh/https://forge.codesys.com1d6e147cb5f0f74d162496c9a06eac632572acac

<div class="markdown_content"><p>Use append or read_write mode to open the file.<br/> PS, this item should not be in the Python scripting forum, but in the general V3 forum.</p></div>

2020-02-27T13:50:13.021000Z2020-02-27T13:50:13.021000Zyue-qi-qihttps://forge.codesys.com/u/yue-qi-qi/https://forge.codesys.com0c51661c0deecf9b473ac8fc8ab8c658a64bf5cc

<div class="markdown_content"><p>I meet a problem when I use the File Access 3.4.1.0 library to operate file access.<br/> fbFileOpen:FILE_ACCESS.FILE.Open;<br/> fbFileOpen(xExecute:=TRUE,sFileName:=strFileName,eFileMode:=FILE_ACCESS.FILE.MODE.MWRITE,xExclusive:=FALSE);<br/> after fbFileOpen() executed,the content of the file that the function block open will be cleard! And the size of the file will be 0!</p></div>