On Fri, 19 Aug 2005, roger bos wrote:
I was surprise myself that I was having problems, because I have been
doing this for ahile, but I get erros with the RODBC connection. For
example,
rankFile <- paste("R:\\New Ranks\\SMC\\SMC\\",rankDate,".xls", sep="")
rankFile
xls <- odbcConnectExcel(rankFile)
xls
rankFile <- "R:\New Ranks\SMC\SMC\20050818.xls"
rankFile
xls <- odbcConnectExcel(rankFile)
xls
You won't have my filename, but feel free to try it with any excel
file you may have. Here is the R output.
Works for me:
odbcConnectExcel("c:\\bdr\\hills.xls")
RODB Connection 1
Details:
case=nochange
DBQ=c:\bdr\hills.xls
DefaultDir=c:\bdr
Driver={Microsoft Excel Driver (*.xls)}
DriverId=790
MaxBufferSize=2048
PageTimeout=5
odbcConnectExcel("c:\bdr\hills.xls")
[1] -1
Warning messages:
1: [RODBC] ERROR: Could not SQLDriverConnect
2: ODBC connection failed in: odbcDriverConnect(con)
Please use / as the path separator and become less confused.
rankFile <- paste("R:\\New Ranks\\SMC\\SMC\\",rankDate,".xls", sep="")
rankFile
[1] "R:\\New Ranks\\SMC\\SMC\\20050819.xls"
xls <- odbcConnectExcel(rankFile)
Warning messages:
1: [RODBC] ERROR: Could not SQLDriverConnect
2: ODBC connection failed in: odbcDriverConnect(con)
xls
[1] -1
rankFile <- "R:\New Ranks\SMC\SMC\20050818.xls"
rankFile
[1] "R:New RanksSMCSMC¬50818.xls"
xls <- odbcConnectExcel(rankFile)
xls
RODB Connection 15
Details:
case=nochange
DBQ=R:New RanksSMCSMC¬50818.xls
DefaultDir=R:\NEW RANKS\SMC
Driver={Microsoft Excel Driver (*.xls)}
DriverId=790
MaxBufferSize=2048
PageTimeout=5
On 8/19/05, Uwe Ligges <[EMAIL PROTECTED]> wrote:
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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Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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