Re: [R] using paste and "\" to create a valid filename

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Sat 20 Aug 2005 - 01:04:20 EST

roger bos wrote:

> Sometimes even the easy stuff is difficult (for me)... I want to get
> input from different places to paste together an excel filename (so
> you know I'm using windows) that I can open with RODBC. I know about
> using double "\" since its an escape character, but I get either 2 or
> none, I can't get just one "\" where I need it. See example code
> below. I am using R 2.1.0, but plan to upgrade soon. Thanks in
> advance to anyone who can help.
>
> Roger
>
>
> rankPath <- "R:\New Ranks\SMC\SMC"
> rankDate <- "20050819"
> rankFile <- paste(rankPath,rankDate,".xls", sep="")
> rankFile
> [1] "R:New RanksSMCSMC20050819.xls"
>
>
> rankPath <- "R:\\New Ranks\\SMC\\SMC"
> rankDate <- "20050819"
> rankFile <- paste(rankPath,rankDate,".xls", sep="")
> rankFile
> [1] "R:\\New Ranks\\SMC\\SMC20050819.xls"

This is perfect, "\" is *printed* escaped, hence for file access you can perfectly use this character vector.

Uwe Ligges

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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 Received on Sat Aug 20 01:13:33 2005

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