FOR /F "usebackq" %%a IN (`powershell [DateTime]::Today.AddMonths"("+1")".ToString"("'yyyyMM'")"`) DO SET nextmonth=%%a
md /path/to/%nextmonth%
Windows Batch RecipeFOR /F "usebackq" %%a IN (`powershell [DateTime]::Today.AddMonths"("+1")".ToString"("'yyyyMM'")"`) DO SET nextmonth=%%a
md /path/to/%nextmonth%