How can I get a drive list from a batch file?

I'm trying to get a list of all my mapped drives for a system upgrade and would like to get this info via a batch file. How can I do this?

For Bonus points: How can I script the mapping of these drives on the new server?

The list of current mappings will be returned by

net use

The transfer would work like this (for the fun¹ of it, lets do that in batch script instead of VBScript):

@echo off

setlocal EnableDelayedExpansion

set letter=.
set uncpath=.
set colon=.

for /f "delims=" %%l in ('net use') do @(
  for /f "tokens=2" %%t in ("%%l") do @set letter=%%t
  for /f "tokens=3" %%t in ("%%l") do @set uncpath=%%t

  set colon=!letter:~1,1!

  if "!colon!" EQU ":" (
    echo if exist !letter! net use !letter! /delete
    echo net use !letter! !uncpath! /persistent:yes
  )
)

endlocal

output goes something like this:

if exist M: net use M: /delete
net use M: \\someserver\someshare /persistent:yes
if exist N: net use N: /delete
net use N: \\otherserver\othershare /persistent:yes

Just store that in a batch file and you are good to go.

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¹ Actually, "fun" is not the right word here. ;-)