[R] change the name of file

[Robert Mcfadden]

Great, little change and it works. Thank you.
Look
 

for (i in 1:50){
x<-matrix(runif(100, min=0,max=1),nrow=5,ncol=20)
write(t(x),file=paste("data_",i,".txt",sep=""),ncolumns=5,sep="\t") 
}



> -----Original Message-----
> From: markleeds w verizon.net [mailto:markleeds w verizon.net]
> Sent: Monday, July 24, 2006 11:16 AM
> To: Robert Mcfadden
> Subject: Re: [R] change the name of file
> 
> >From: Robert Mcfadden <robert-mcfadden w o2.pl>
> >Date: 2006/07/24 Mon AM 04:06:38 CDT
> >To: r-help w stat.math.ethz.ch
> >Subject: [R] change the name of file
> 
> i think file=paste("data_", i,"txt",sep="")
> should work but someone else will probably
> have a better solution. if you try my idesa,
> check it because i haven't tested it.
> 
> 
> 
> >
> >Dear R Users,
> >Is it possible to make file names dependent on a changing variable?
> >For instance. I generate random numbers in a loop and at each iteration I
> >want data to write to file (I do not want to write everything in one file
> >using 'append'):
> >
> >for (i in 1:50){
> >x<-matrix(runif(100, min=0,max=1),nrow=5,ncol=20)
> >Write(t(x),file="Data_i.txt",ncolumns=5,sep="\t")
> >}
> >
> >Of course file name Data_i.txt will be the same for changing i,
> >unfortunately.
> >
> >Any suggestion would be appreciate
> >Robert
> >
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>