using paste and "\" to create a valid filename
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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