javascript - How to download a file to memory casperjs -

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i'm beginner programmer in casperjs , i'm trying download files webpage , save on memory. i'm able save temp folder, wondering if theres better way.

function downloadfile(newurl){    var fileext = newurl.replace(/^.*[\\\/]/, '');    var path = 'c:/windows/temp/' + fileext;    casper.download(newurl, path); }


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