remove multiple extensions from results file
example ILE_iteration_0-MASS_SET_12-309662420-0.xml.gz_0_.xml.gz
and
ILE_iteration_0-MASS_SET_0-309662432-0.xml.gz_0_.dat
example ILE_iteration_0-MASS_SET_12-309662420-0.xml.gz_0_.xml.gz
and
ILE_iteration_0-MASS_SET_0-309662432-0.xml.gz_0_.dat