:orphan: .. _ahelp_1dsum: ***** 1dsum ***** .. contents:: :local: | .. code-block:: none Usage: 1dsum [options] a.1D b.1D ... where each file a.1D, b.1D, etc. is an ASCII file of numbers arranged in rows and columns. The sum of each column is written to stdout. Options: -ignore nn = skip the first nn rows of each file -use mm = use only mm rows from each file -mean = compute the average instead of the sum -nocomment = the # comments from the header of the first input file will be reproduced to the output; if you do NOT want this to happen, use the '-nocomment' option. -OKempty = If you encounter an empty 1D file, print 0 and exit quietly instead of exiting with an error message ++ Compile date = Oct 13 2022 {AFNI_22.3.03:linux_ubuntu_16_64}