?file.exists On Tue, 28 Jan 2003 [EMAIL PROTECTED] wrote:
> Dear R-experts > > I would like to read all files from a directory, the files have names > "myname0001.txt" etc. I paste the directory plus file names and > use "read.delim()". > My problem is that some file names are missing, so I get an error > and my program stops. > Is there a way to check for a null pointer analogous to C, so that > I can simply skip non-existent filenames? > > Please do "Reply to all" since in the company I am not subscribed > to the R-help list. > > Thank you in advance > Best regards > Christian Stratowa > > ============================================== > Christian Stratowa, PhD > Boehringer Ingelheim Austria > Dept NCE Lead Discovery - Bioinformatics > Dr. Boehringergasse 5-11 > A-1121 Vienna, Austria > Tel.: ++43-1-80105-2470 > Fax: ++43-1-80105-2683 > email: [EMAIL PROTECTED] > > ______________________________________________ > [EMAIL PROTECTED] mailing list > http://www.stat.math.ethz.ch/mailman/listinfo/r-help > -- 318 Carr Hall [EMAIL PROTECTED] Zoology Department, University of Florida http://www.zoo.ufl.edu/bolker Box 118525 (ph) 352-392-5697 Gainesville, FL 32611-8525 (fax) 352-392-3704 ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
