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How can I access the link to a previous version of a document in a library and assign that value to the new version of the document?

eg. Version 2 has been submitted and I want a link to the pervious version (1) attached to that document.

In addition to this, currently when the document is generated via a 3rd party it creates two versions, how can I delete the first of the two versions?

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  • You can see the previous version of the document by going into version history of the file and right click on the file name of a specific version and select copy link address, but I was not able to open the older version of the file in owa. – sekhar Jul 30 '15 at 18:30
  • so as far as you are aware there is no way to access the versioning other than the number and by manually going into the record? – matt Jul 31 '15 at 15:22
  • Hope the code below helps you – sekhar Jul 31 '15 at 16:00
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Here is the sample code I wrote in my project.

var ctx = SP.ClientContext.get_current();
var list = ctx.get_web().get_lists().getByTitle('Output-Files');
var file = list.getItemById(484).get_file()
var versions = file.get_versions();
ctx.load(versions);
ctx.executeQueryAsync(function(){
    var enumer = versions.getEnumerator();
    while(enumer.moveNext()){
        var currentItem = enumer.get_current();
        console.log(currentItem.get_url())
    }
},function(s,a){console.error(a.get_messgae())})

this is the url it displayed

_vti_history/512/OutputFiles/filename.docx

you can download the file, but cannot open in OWA

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