Once all of the files have been downloaded, you can check them to make
sure that they are the right files.

cplager@fcdflnx2> md5sum *.root
b8534630e14735ef681520821c6873e8  hepmc_00l.root
8a7d5f05a80ce8b5b501462343fabfa5  hepmc_00m.root
378a8317d5c1c1ca4cc82a3c0245e2f4  hepmc_01.root
b1be6ec58b6b629a039c314332d21ddb  hepmc_02.root
c296705a7385a3c1ac031bd55e7c3406  hepmc_03p.root
3a05fa3233e18f6378e00aa3ff84d5cf  hepmc_mcfmw1.root


To get all of the files at once using wget:

wget -r -l1 --no-parent -A.root http://hcpss.plager.net/files/rootfiles/
mv hcpss.plager.net/files/rootfiles/*.root .
rm -rf hcpss.plager.net

To get them all using curl:

curl -O http://hcpss.plager.net/files/rootfiles/hepmc_00l.root   
curl -O http://hcpss.plager.net/files/rootfiles/hepmc_00m.root   
curl -O http://hcpss.plager.net/files/rootfiles/hepmc_01.root    
curl -O http://hcpss.plager.net/files/rootfiles/hepmc_02.root    
curl -O http://hcpss.plager.net/files/rootfiles/hepmc_03p.root   
curl -O http://hcpss.plager.net/files/rootfiles/hepmc_mcfmw1.root