Removing leading and trailing spaces (string manipulation)

I believe all you need to do here is use plain "i" instead of
"format(i)" in the jpeg call.

Someone is bound to come up with a better generic
answer but this should get you up and running for now.
-----Original Message-----
From: dsheuman at rogers.com [mailto:dsheuman at rogers.com]
Sent: 31 March 2004 15:44
To: R-help at stat.math.ethz.ch
Subject: [R] Removing leading and trailing spaces (string 
manipulation)

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Hi all,

I'm running the following code to generate 40 different jpegs 
based on the resulting data.  I'd like the file names to be 
'Cluster1.jpeg', however the code write filenames like 
'Cluster 1 .jpeg'.

How can I get rid of the unwanted spaces?  I've looked at 
?format and it doesn't seem to work - at least in this context.

###################
ClusCount <- 40

datain <- as.data.frame( read.csv("c:\\daclus.csv"))

for(i in 1:ClusCount){
	mapit <- subset(datain, cluster == i)
	jpeg(file=paste("c:\\temp\\cluster",format(i),".jpeg"), 
width = 640, height = 480, pointsize = 12,quality = 300, bg = "white")
	plot( as.matrix(mapit[,2]), 
as.matrix(mapit[,3]),xlim=c(-141.6,-52.1),ylim=c(41.5,83.7),  
type = "p", main = paste("Cluster",i) )
	dev.off()
}
###################

Thanks,

Danny

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