bombording,
Узнать длину строки:
Код:
@echo off
setlocal
set "string=C:\some folder\some folder\some folder\some folder\file.ext"
:loop
set "string=%string:~0,-1%" && set /a len+=1
if defined string goto:loop
if %len% gtr 260 (echo wrong path length: %len%) else (echo Ok: %len%)