Excel VBA - Downloading/renaming/saving a link based on specific segments of text

Hawk11ns

Board Regular
Joined
Jul 21, 2015
Messages
61
Office Version
  1. 365
Platform
  1. Windows
The code below downloads, renames, and saves a zip file based on a specific URL, defined as 'myUrl', and was meant to only serve as a placeholder while the macro was being written. Now, it needs to be modified so that the file being downloaded is selected from a list of files based on segments of the file name (highlighted below) which include the date (today's date), the posting time (between 0700 and 0800), and the zip content type (_csv). This is because these files are on a rolling update and fall off. Note, the file names - or "Titles" - are not, in fact, the the actual file names when examining the download links (see below for example).

Example of title versus download link:
Title:
cdr.00012311.0000000000000000.20200918.073000627.LFCCONGESTNP3560_csv.zip
Download Link:
How can I have VBA examine the list of links on this page and download the link associated with the file name which meets the aforementioned conditions?

Link to file list: ERCOT MIS

1600448186225.png



VBA Code:
Sub get12311()
'Report ID# 12311 - Seven-Day Load Forecast by Forecast Zone
    
    Dim myURL As String
    myURL = "http://mis.ercot.com/misdownload/servlets/mirDownload?mimic_duns=000000000&doclookupId=734483955"

    Dim WinHttpReq As Object
    Set WinHttpReq = CreateObject("Microsoft.XMLHTTP")
    WinHttpReq.Open "GET", myURL, False
    WinHttpReq.send

    myURL = WinHttpReq.responseBody
        If WinHttpReq.Status = 200 Then
            Set oStream = CreateObject("ADODB.Stream")
            oStream.Open
            oStream.Type = 1
            oStream.Write WinHttpReq.responseBody
            oStream.SaveToFile ("C:\Users\Hawki\Documents\Staging_Un\12311\12311.zip")
            oStream.Close
        End If
    
End Sub
 

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