library("reshape2") library("plyr") library("ggplot2") for(i in (1:100)){ filename = paste('bandwidth',i,'.csv', sep="") if(file.exists(filename)){ bandwidth = read.csv(filename, header = TRUE) bw_plot = ggplot(data = bandwidth, aes(x=time, y=bytes, group=1)) + geom_line() png(filename=paste('bandwidth',i,'.png', sep="")) plot(bw_plot) dev.off } }