NAME

       ndselect - select lines and fields for numdiff

DESCRIPTION

       Usage: ndselect -h|--help|-v|--version   or

       ndselect [-b N][-e N][-s N][-F N][-L N][-I N][-S IFS][-D DELIMS][-O OSEP][-x][-l PATH][-o PATH] [FILE]

       Print to standard output a subset of lines and fields from a given file.

       The  argument  after  the  options  is  the name of the file to read from.  The complete path of the file
       should be given, a directory name is not accepted.  If no input file is specified, the program reads from
       the standard input.

       Exit status: 0 in case of normal termination, -1 (255) in case of error

       -b, --beginning, --start=N

              Set to N the number of the first line to print (The default behavior is to start with line  number
              1)

       -e, --end=N

              Set  to  N the number of the last line that can be printed (The default behavior is to arrive till
              to the end of the file)

       -s, --step=N

              Set to N the increment to use when selecting the  lines  to  print  (The  default  value  for  the
              increment is 1)

       -F, --first-field=N

              Set  to  N  the  number  of  the first field to print (The default behavior is to start with field
              number 1)

       -L, --last-field=N

              Set to N the number of the last field that can be printed (The default behavior is to arrive  till
              to the end of every line)

       -I, --increment=N

              Set  to  N  the  increment  to  use  when selecting the fields to print (The default value for the
              increment is 1)

       -S, --separators=IFS

              Specify the set of characters to use as delimiters while splitting the  input  lines  into  fields
              (The default set of delimiters is space, tab and newline)

       -D, --delimiters=DELIMS

              Specify  the  set of strings to use as delimiters while splitting the input lines into fields (The
              default set of delimiters is space, tab and newline)

       -O, --output-separator=OSEP

              Specify the string to use as separator while writing the selected fields to  the  standard  output
              (The default behavior consists in reusing

              the delimiters found in the input lines)

       -x, --omit-empty-lines

              Do not print empty lines

       -l, --warnings-to=PATH

              Redirect warning and error messages from stderr to the indicated file

       -o, --output=PATH

              Redirect output from stdout to the indicated file

       -h, --help

              Show this help message

       -v, --version

              Show version number, Copyright, Distribution Terms and NO-Warranty

COPYRIGHT

       Copyright  ©  2005,  2006,  2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017  Ivano Primi
       <ivprimi@libero.it> License GPLv3+: GNU GPL version 3 or later, see <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to  the  extent
       permitted by law.

SEE ALSO

       The full documentation for ndselect is maintained as a Texinfo manual.  If the info and ndselect programs
       are properly installed at your site, the command

              info numdiff

       should give you access to the complete manual.

ndselect 5.9.0                                    January 2017                                       NDSELECT(1)