Subject Re: REFERRING TO A VARIABEL TO REP A VALUE From ED FURCHE <ED@UNIV-COMPUTERS.COM> Date Mon, 13 Nov 2023 10:06:46 -0500 Newsgroups dbase.getting-started Ken Mayer Wrote: > On 11/12/2023 9:17 AM, ED FURCHE wrote: > > I HAVE USED THIS BEFORE BUT DONT REMEMBER HOW. > > > > I WANT TO REFER TO A VARIABLE IN A COMMAND > > > > EXAMPLE  CTR=1 > > USE C:\BACKUP\CTR\CHECK.DBF TO ADDRESS USE C:\BACKUP\1\CHECK I TRIED THIS  DIDNT WORK.   CTR=1 USE C:\BACKUP\&CTR\CASEY.DBF ALIAS OLDFILE > > > > You would do this in a couple ways, the easiest is to build the command > as a string, and insert the variable into it: > > cCmd = [USE C:\BACKUP\]+CTR+[CTR\CHECK.DBF TO ADDRESS USE C:\BACKUP\1\CHECK] > > Note that by using the square brackets as delimiters you don't have any > confusion with quotes ... > > To execute the command (use macro expansion): > > &cCmd. > > Another way is: > > USE C:\BACKUP\&CTR.\CHECK.DBF TO ADDRESS USE C:\BACKUP\1\CHECK > > But that gets a bit hard to read, and it's easy to make mistakes. Also > if the value of your variable includes spaces, it can be a problem, > you'd have to deal delimiters ... > > Ken > > > -- > *Ken Mayer* > Ken's dBASE Page: http://www.goldenstag.net/dbase > The dUFLP: http://www.goldenstag.net/dbase/index.htm#duflp > dBASE Books: http://www.goldenstag.net/dbase/Books/dBASEBooks.htm > dBASE Tutorial: http://www.goldenstag.net/dbase/Tutorial/00_Preface.htm > dBASE Web Tutorial: http://www.goldenstag.net/dbase/WebTutorial/00_Menu.htm > dBASE DOS to Windows Tutorial: > http://www.goldenstag.net/dbase/DtoWTutorial/00_Menu.htm >