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...at ("The selected file does not seem to be of the right type\n") #Should be able to exit the script here } cat("File look good keep going\n") How do I prevent R from interpreting the rest of the script if the user don't input the right file? Marco Blanchette, Ph.D. mblanche at uclink.berkeley.edu Donald C. Rio's lab Department of Molecular and Cell Biology 16 Barker Hall University of California Berkeley, CA 94720-3204 Tel: (510) 642-1084 Cell: (510) 847-0996 Fax: (510) 642-6062

...re a more elegant way to deal with regular expressions (read here: more easier, more like perl style). 2) I have a portability problem when I extract the base.dir Windoz is using '\' instead of '/' to separate directories. Any suggestions/comments Many Tx Marco Blanchette, Ph.D. mblanche at uclink.berkeley.edu Donald C. Rio's lab Department of Molecular and Cell Biology 16 Barker Hall University of California Berkeley, CA 94720-3204 Tel: (510) 642-1084 Cell: (510) 847-0996 Fax: (510) 642-6062

...quot;, "CG_5"), diff=c(3,5,6,4,3)) table2 = list(CGID=c("CG_2","CG_3","CG_4", "CG_1", "CG_5"), diff=c(4,6,3,9,10)) How can link the two table trough the CGIDC column and plot the data from the 2 tables. Many tx Marco Blanchette, Ph.D. mblanche at berkeley.edu Donald C. Rio's lab Department of Molecular and Cell Biology 16 Barker Hall University of California Berkeley, CA 94720-3204 Tel: (510) 642-1084 Cell: (510) 847-0996 Fax: (510) 642-6062

...) : [tcl] couldn't find procedure Rplot_Init. Error in library(tkrplot) : .First.lib failed for 'tkrplot' Any clue as how to fix tkrplot? Why is this package so difficult to install??? Anyway, I would appreciate any help/suggestions. Many tx Marco Marco Blanchette, Ph.D. mblanche at uclink.berkeley.edu Donald C. Rio's lab Department of Molecular and Cell Biology 16 Barker Hall University of California Berkeley, CA 94720-3204 Tel: (510) 642-1084 Cell: (510) 847-0996 Fax: (510) 642-6062

...entation it is specified that the constructor will try to load the annotation. Question: 1)Am I using the right annotation file ie ³drosophila2² 2) Do I need to install it before trying to use it. 3) If so, what is the procedure Many thanks ______________________________ Marco Blanchette, Ph.D. mblanche@uclink.berkeley.edu Donald C. Rio''s lab Department of Molecular and Cell Biology 16 Barker Hall University of California Berkeley, CA 94720-3204 Tel: (510) 642-1084 Cell: (510) 847-0996 Fax: (510) 642-6062 -- [[alternative HTML version deleted]]