Evecs File Options

Read

[ibeg <firstmode>] [iend <lastmode>]

ibeg <firstmode> Number of the first mode (or principal component) to read from evecs file. Default 1.
iend <lastmode> Number of the last mode (or principal component) to read from evecs file. Default is to read all for newer evecs files  generated by CPPTRAJ version > 12), 50 for older evecs files.