[Skunkworks] ADDING/SUBTRACTING DATES IN BATCH FILES

Hi I have the following in a batch file and am trying to capture yesterdays date but its not capturing any leads will be helpful ----@echo off set curndate=%date% -1 set curndate1=%curndate:~4,2% set curndate2=%curndate:~7,2% set curndate3=%curndate:~10,4% set curndate5=%curndate2-1% set curtime=%time:~0,2% set curndate4=%curndate2%-%curndate1%-%curndate3% C:\Oracle\Middleware\asinst_1\config\reports\bin\rwrun userid=sales/sales@orcl report=C:\E1\sales\REPORTS\inv_summ_cust.rdf destype=file desformat=pdf from_date=%curndate4% to_date=%curndate4% desname=C:\Ebiz1\Automail\salesreg.pdf Kind Regards Eunice Waweru