topic Re: Read/Write to file in QlikView https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585020#M1234209 <HTML><HEAD></HEAD><BODY><P>Just a word of warning as you would be operating with computer specific key value pairs without any transactional security if you go the localstorage route.</P><P></P><P>The IndexedDB api could be interesting but that would rule out IE9 and below and Safari.</P></BODY></HTML> Fri, 28 Feb 2014 22:18:01 GMT Alexander_Thor 2014-02-28T22:18:01Z Read/Write to file https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585017#M1234204 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I am new to extension objects and I am trying to find the answer to the rather basic question about file I/O.</P><P></P><P>Is it possible to read/write to a file through a QV-extension object and if it is, could I get some pointers on what functions to use and where to find the documentation about them?</P><P></P><P></P><P>Thank you in advance!</P></BODY></HTML> Mon, 26 Jan 2026 16:26:21 GMT https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585017#M1234204 petgr138 2026-01-26T16:26:21Z Re: Read/Write to file https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585018#M1234206 <HTML><HEAD></HEAD><BODY><P>Short answer: you can't. Extension objects are primarily written in javascript that's executed in the browser. it would be a major security flaw if your browser could create files on your local computer.</P><P></P><P>Create a webservice and talk with that.</P></BODY></HTML> Fri, 28 Feb 2014 21:46:46 GMT https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585018#M1234206 Alexander_Thor 2014-02-28T21:46:46Z Re: Read/Write to file https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585019#M1234208 <HTML><HEAD></HEAD><BODY><P>Hi.</P><P></P><P>Google the words: Client-Side Storage - HTML5 Rocks </P></BODY></HTML> Fri, 28 Feb 2014 22:00:28 GMT https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585019#M1234208 whiteline 2014-02-28T22:00:28Z Re: Read/Write to file https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585020#M1234209 <HTML><HEAD></HEAD><BODY><P>Just a word of warning as you would be operating with computer specific key value pairs without any transactional security if you go the localstorage route.</P><P></P><P>The IndexedDB api could be interesting but that would rule out IE9 and below and Safari.</P></BODY></HTML> Fri, 28 Feb 2014 22:18:01 GMT https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585020#M1234209 Alexander_Thor 2014-02-28T22:18:01Z Re: Read/Write to file https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585021#M1234210 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I was afraid this would be the case so I will find a different solution to my problem.</P><P></P><P>Thanks for your replies!</P></BODY></HTML> Mon, 03 Mar 2014 08:41:22 GMT https://community.qlik.com/t5/QlikView/Read-Write-to-file/m-p/585021#M1234210 petgr138 2014-03-03T08:41:22Z