# <a href="http://rna-tools.online/tools/calc-rmsd/11e4e814">http://rna-tools.online/tools/calc-rmsd/11e4e814</a> >> log.txt 
source ~/.env

    rna_calc_rmsd.py -t 21_Das_1_rpr.pdb 21_ChenHighLig_1_rpr.pdb 21_3dRNA_1_rpr.pdb 21_Adamiak_1_rpr.pdb &> log.txt

    echo 'DONE' >> log.txt