NAME

       ncap2 - netCDF Arithmetic Processor, Next Generation

SYNTAX

       ncap2  [-3]  [-4]  [-5]  [-6]  [-7] [-A] [--bfr sz_byt][-C][-c][-D dbg_lvl] [-d dim,[ min][,[ max]]] [-F]
       [--fl_fmt=fmt] [-f] [--glb att_name= att_val]] [-h]  [--hdf]  [--hdr_pad  sz_byt][--hpss_try]  [-l  path]
       [--no_tmp_fl]  [-O]  [-o  output-file]  [-p  path]  [-R]  [-r] [--ram_all] [-S script-file][-s script][-t
       thr_nbr][-v var[,...]]  input-file [ output-file ]

DESCRIPTION

       ncap2 supersedes and  is  backwards-compatible  with  ncap  which  is  now  deprecated.   Both  operators
       arithmetically  process  netCDF  files.   The  primary ncap2 documentation is currently the sample script
       <http://nco.sf.net/ncap2.in> The remainder of this manpage is identical to the ncap manpage.

       The processing instructions are contained either in the NCO script  file  fl.nco  or  in  a  sequence  of
       command  line arguments.  The options -s (or long options --spt or --script) are used for in-line scripts
       and -S (or long options --fl_spt or --script-file) are  used  to  provide  the  filename  where  (usually
       multiple)  scripting  commands  are  pre-stored.   ncap2  was  written  to  perform  arbitrary  albebraic
       transformations of data and archive the results as  easily  as  possible.   Missing  values  are  treated
       correctly.  The results of the algebraic manipulations are called derived fields.

       Unlike the other operators, ncap2 does not accept a list of variables to be operated on as an argument to
       -v.  Rather, the -v switch takes no arguments and indicates that ncap2 should  output  only  user-defined
       variables.  ncap2 does not accept or understand the -x switch.

EXAMPLES

       Compute the square of variable T
              ncap2 -s "T2=T*T" in.nc out.nc

AUTHOR

       NCO manual pages written by Charlie Zender and originally formatted by Brian Mays.

REPORTING BUGS

       Report bugs to <http://sf.net/bugs/?group_id=3331>.

COPYRIGHT

       Copyright © 1995-2018 Charlie Zender
       This  is  free  software;  see  the  source  for  copying conditions.  There is NO warranty; not even for
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO

       The full documentation for NCO is maintained as a Texinfo manual called the NCO Users Guide.  Because NCO
       is  mathematical  in nature, the documentation includes TeX-intensive portions not viewable on character-
       based displays.  Hence the only complete and authoritative versions of the NCO Users Guide  are  the  PDF
       (recommended),  DVI, and Postscript versions at <http://nco.sf.net/nco.pdf>, <http://nco.sf.net/nco.dvi>,
       and   <http://nco.sf.net/nco.ps>,   respectively.    HTML   and   XML   versions   are    available    at
       <http://nco.sf.net/nco.html> and <http://nco.sf.net/nco.xml>, respectively.

       If the info and NCO programs are properly installed at your site, the command

              info nco

       should give you access to the complete manual, except for the TeX-intensive portions.

       ncap(1),  ncap2(1),  ncatted(1),  ncbo(1),  ncclimo(1),  nces(1), ncecat(1), ncflint(1), ncks(1), nco(1),
       ncpdq(1), ncra(1), ncrcat(1), ncremap(1), ncrename(1), ncwa(1)

HOMEPAGE

       The NCO homepage at <http://nco.sf.net> contains more information.

                                                                                                        NCAP2(1)