pmc.oas.xml.mirror.download.extract

for I in A-B C-H I-N O-Z;
do
 curfile=articles.$I.tar.gz
 cururl=ftp://$ftp/$ftppath/$curfile
 echo "Downloading $cururl to $tempdir"
# download file to temporary directory
 wget -P $tempdir $cururl
# use up to 5 concurrent connections
# aria2c -d $tempdir -s 5 $cururl
 echo "Exctracting $tempdir/$curfile to $filedir"
 tar -C $filedir --totals -xzf $tempdir/$curfile
 echo Done extracting $tempdir/$curfile
done