camelina_url="http://igbquickload.org/quickload/C_sativa_DH55_Apr_2014/C_sativa_DH55_Apr_2014.bed.gz" arabidopsis_url="http://igbquickload.org/quickload/A_thaliana_Jun_2009/TAIR10_mRNA.bed.gz" arabidopsis_fname="arabidopsis.gz" download.file(arabidopsis_url,arabidopsis_fname) arabidopsis_dataframe=read.delim2(arabidopsis_fname,header=FALSE,sep="\t",quote="") camelina_fname="camelina.gz" download.file(camelina_url,camelina_fname) camelina_dataframe=read.delim2(camelina_fname,header=FALSE,sep="\t",quote="")