usage: get_line {--range|-r} {+n|-n|i|i..j|i:j|i,j[,...]} [-i FILE] [--rand] [-v] (1 <= i [<= j] <= N; N = nb. lines in FILE) -v invert the selection of lines (like 'grep -v') --rand randomize selected lines before writing them out --NxCV several folds cross validation: cut input file into N partitions then create N traininig files and N test files (all other get_line options will be ignored) -i where to read lines from (default=stdin) -o where to write lines to (default=stdout) --range {+n|-n|i|i..j|i,j[,...]}: line selection policy; (+n => top n lines; -n => last n lines; n => only line n; i..j => lines i to j; i:j => top i lines and last j lines; i,j[,...] => only lines i,j, ... -r alias for --range -help Display this list of options --help Display this list of options