Downloading a file with Rest API with size restrictions

Copper Contributor

Hey all,

 

I'm writing some code within Salesforce Apex to download a file from SharePoint. I can get it working fine with the following url: 

/_api/Web/GetFileByGuestUrl(@v)//OpenBinaryStream()
 
The issue is there are size limits in Salesforce for Http requests (6mb). Is there a way with OpenBinaryStream, or an equivalent REST call to download a file in chunks with some sort of paging?
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