Hi, I have a follow CSV file: ActionCode,OpCode,PassFail,Protocol,URL Execute,OpenBrowserWMI,Pass,http,www.google.com ActionCode,OpCode,PassFail Execute,CloseBrowserWMI,Pass ActionCode,OpCode,PassFail,Protocol,URL Execute,OpenBrowserWMI,Pass,http,www.google.com ActionCode,OpCode,PassFail Execute,CloseBrowserWMI,Pass ActionCode,OpCode,PassFail,Protocol,URL Execute,OpenBrowserWMI,Pass,http,www.google.com ActionCode,OpCode,PassFail Execute,CloseBrowserWMI,Pass and I need insert a new column bettween OpCode,PassFail in whole file not in the first line in around 1000 files. for example: ActionCode,OpCode,NEWCOLUMN,PassFail,Protocol,URL Execute,OpenBrowserWMI,NEWCOLUMN,Pass,http,www.google.com ActionCode,OpCode,NEWCOLUMN,PassFail Execute,CloseBrowserWMI,NEWCOLUMN,Pass ActionCode,OpCode,NEWCOLUMN,PassFail,Protocol,URL Execute,OpenBrowserWMI,NEWCOLUMN,Pass,http,www.google.com ActionCode,OpCode,NEWCOLUMN,PassFail Execute,CloseBrowserWMI,NEWCOLUMN,Pass ActionCode,OpCode,NEWCOLUMN,PassFail,Protocol,URL Execute,OpenBrowserWMI,NEWCOLUMN,Pass,http,www.google.com ActionCode,OpCode,NEWCOLUMN,PassFail Execute,CloseBrowserWMI,NEWCOLUMN,Pass Look the lines, it has diferent numbers of parameters but the first three always are the same. Anybody knows how to I resolve this question. Thanks a lot BOSCO

@echo off & setlocal EnableDelayedExpansion for %%j in (*.csv) do ( set /P header=< %%j echo.!header!> %%~nj.new for /F "skip=1 tokens=1,2,* delims=," %%a (%%j) do ( echo.%%a,%%b,,%%c>> %%~nj.new ) ) :: End_Of_Batch