The system() function has an invisible= argument. The ryacas package uses system() to run yacas. See the runYacas() and yacasInvokeString() functions in yacas.R for examples: http://ryacas.googlecode.com/svn/trunk/R/yacas.R
On 8/11/07, Erich Neuwirth <[EMAIL PROTECTED]> wrote: > I have an Excel workbook "MyWorkbook.xls" containing an Auto_Open macro > which I want to be run from R. > > shell.exec("MyWorkbook.xls") > does that. > > shell("start MyWorkbook.xls") > also runs it. > > In both cases, the Excel window is visible on screen when Excel is started. > Is there a way of opening the sheet with a hidden Excel window? > start has some parameters (e.g. /MIN), which should allow this, but > shell("start /MIN MyWorkbook.xls") > also starts Excel visibly. > > > > -- > Erich Neuwirth, University of Vienna > Faculty of Computer Science > Computer Supported Didactics Working Group > Visit our SunSITE at http://sunsite.univie.ac.at > Phone: +43-1-4277-39464 Fax: +43-1-4277-39459 > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.