... Meta Index / Home Page / Description / Exposure selection . You can select the exposures to process explicitly via the parameters withinstexpid and instexpids . ... epicproc -withinstexpids=yes -instexpids="IIFnnn ..." . ... Note that the IIFnnn matches the analogous string found in the ODF file names. You may also want to look at the contents of the ODF with the odfbrowser , from which individual exposures can be selected, and the epicproc tasks can be configured and launched. ...