A name such as ``Aerospace/Defense etc.'' is certainly not a legal
file name under unix-alike systems, and I suspect it would not
be even under Windoze. Even if it is, you shouldn't use it!
Change the name to ``Aerospace-Defense Products & Services''
or something like that, for goodness sake.
cheers,
Rolf Turner
On 21/01/2010, at 2:19 PM, Peter Rote wrote:
Thank you Dieter,
but i still have a problem to write to file. The problem is the
slash in
file names (Aerospace/Defense Products & Services ). If i want it
to C:/ab/
so "C:/ab/AdvertisingAgencies.txt" is ok but
"C:/ab/Aerospace/Defense-MajorDiversified.txt" is not
head(AlexETF)
AlexETF.Industry AlexETF.Ticker
1 Scientific & Technical Instruments A
2 Aluminum AA
3 Business Services AAC
4 Credit Services AACC
5 Regional Airlines AAI
6 Aerospace/Defense Products & Services AAII
by(AlexETF,AlexETF$Industry,function(a) {filename = paste(gsub("
","",a$Industry[1]),".txt",sep="")
+ print(filename)
+
+ }
+ )
[1] "Accident&HealthInsurance.txt"
[1] "AdvertisingAgencies.txt"
[1] "Aerospace/Defense-MajorDiversified.txt"
[1] "Aerospace/DefenseProducts&Services.txt"
[1] "AgriculturalChemicals.txt"
[1] "AirDelivery&FreightServices.txt"
by(AlexETF,AlexETF$Industry,function(a) {filename = paste("C:/
ab/",gsub("
","",a$Industry[1]),".txt",sep="")
+ write.table(a,file=filename,col.names = FALSE)
+ }
+ )
Error in file(file, ifelse(append, "a", "w")) :
cannot open the connection
In addition: Warning message:
In file(file, ifelse(append, "a", "w")) :
cannot open file 'C:/ab/Aerospace/Defense-MajorDiversified.txt':
No such
file or directory
Thanks in advance,
Peter
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