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发表于 2015-4-22 22:12:37
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敲一个命令ncks
s@s:~/regcm/intelsoft/src/nco-4.4.8$ ncks
ncks: ERROR received 0 filenames; need at least one
ncks Command line options cheatsheet (full details at http://nco.sf.net/nco.html#ncks):
ncks [-3] [-4] [-5] [-6] [-7] [-A] [-a] [-b fl_bnr] [--bfr sz] [-C] [-c] [--cdl] [--cnk_byt sz] [--cnk_dmn nm,sz] [--cnk_map map] [--cnk_min min] [--cnk_plc plc] [--cnk_scl sz] [-D nco_dbg_lvl] [-d ...] [-F] [--fix_rec_dmn dim] [--fl_fmt fmt] [-G grp:lvl] [-g ...] [--grp_xtr_var_xcl] [-H] [-h] [--hdn] [--hdr_pad nbr] [-L lvl] [-l path] [-M] [-m] [--md5_dgs] [--md5_wrt] [--mk_rec_dmn dim] [--msa] [--no_blank] [--no_tmp_fl] [-O] [-o out.nc] [-P] [-p path] [--ppc ...] [-Q] [-q] [-R] [-r] [--rad] [--ram_all] [-s format] [-u] [--unn] [-V] [-v ...] [-X box] [-x] [--xml] [--xml_no_loc] [--xml_spr_chr sng] [--xml_spr_nmr sng] in.nc [[out.nc]]
-3, --3, --fl_fmt=classic Output file in netCDF3 CLASSIC (32-bit offset) storage format
-4, --4, --netcdf4 Output file in netCDF4 (HDF5) storage format
-5, --5, Print alphabetically by group then variable
-6, --6, --64, --fl_fmt=64bit Output file in netCDF3 64-bit offset storage format
-7, --7, --fl_fmt=netcdf4_classic Output file in netCDF4 CLASSIC format (3+4=7)
-A, --apn, --append Append to existing output file, if any
-a, --abc, --alphabetize Disable alphabetization of extracted variables
-b, --fl_bnr, --binary-file fl_bnr Unformatted binary file to write
--bfr_sz, --buffer_size sz Buffer size to open files with
-C, --nocoords Associated coordinate variables should not be processed
-c, --crd, --coords Coordinate variables will all be processed
--cdl Print CDL (netCDF lingua franca used by ncdump/ncgen)
--cnk_dmn, --chunk_dimension nm,sz Chunksize of dimension nm is sz
--cnk_map, --chunk_map map Chunking map [dmn,lfp,prd,rd1,rew,scl,xpl,xst]
--cnk_min, --chunk_min min Minimum size [B] of variable to chunk
--cnk_plc, --chunk_policy plc Chunking policy [all,g2d,g3d,xpl,xst,uck]
--cnk_scl, --chunk_scalar sz Chunksize scalar (for all dimensions)
-D, --dbg_lvl, --debug-level lvl Debug-level is lvl
-d, --dmn, --dimension dim,[min][,[max]][,[stride]] Dimension's limits and stride in hyperslab
-F, --ftn, --fortran Fortran indexing conventions (1-based) for I/O
--fix_rec_dmn dim Change dimension dim (or all) to fixed dimension in output file
--fl_fmt, --file_format fmt File format [classic,64bit,netcdf4,netcdf4_classic]
-G, --gpe [grp_nm][:[lvl]] Group Path Editing path, levels to replace
-g, --grp grp1[,grp2[...]] Group(s) to process (regular expressions supported)
-H, --data, --hieronymus Toggle printing data
-h, --hst, --history Do not append to "history" global attribute
--hdn, --hidden Print hidden (aka special) attributes
--hdr_pad, --header_pad Pad output header with nbr bytes
-L, --dfl_lvl, --deflate lvl Lempel-Ziv deflation/compression (lvl=0..9) for netCDF4 output
-l, --lcl, --local path Local storage path for remotely-retrieved files
-M, --Mtd, --Metadata Toggle printing global metadata
-m, --mtd, --metadata Toggle printing variable metadata
--mk_rec_dmn dim Define dim as record dimension in output file
--no_blank Print numeric missing values instead of blanks (underscores)
--no_tmp_fl Do not write output to temporary file
-o, --output, --fl_out fl_out Output file name (or use last positional argument)
-O, --ovr, --overwrite Overwrite existing output file, if any
-P, --prn, --print Print data, metadata, and units. Abbreviation for -C -H -M -m -u.
-p, --pth, --path path Path prefix for all input filenames
--ppc v1[,v2[,...]]=prc Precision-Preserving Compression: Number of total or decimal significant digits
-Q, --quiet Quiet printing of dimension indices and coordinate values
-q, --quench Quench (turn-off) all printing to screen
-R, --rtn, --retain Retain remotely-retrieved files after use
-r, --revision, --version Compile-time configuration and/or program version
--orphan, --rph_dmn Retain or print all (including orphaned) dimensions
--ram_all, --diskless_all Open netCDF3 files and create output files in RAM
-s, --sng_fmt, --string format String format for text output
-u, --units Toggle printing units of variables, if any
--unn, --union Select union of specified groups and variables
-V, --var_val Print variable values only
-v, --variable var1[,var2[...]] Variable(s) to process (regular expressions supported)
-X, --auxiliary lon_min,lon_max,lat_min,lat_max Auxiliary coordinate bounding box
-x, --xcl, --exclude Extract all variables EXCEPT those specified with -v
--xml Print XML (NcML, netCDF Markup Language)
--xml_no_location Omit NcML location element
--xml_spr_chr sng Separator for NcML character types
--xml_spr_nmr sng Separator for NcML numeric types
in.nc Input file name
out.nc Output file name (or use -o switch)
Eight ways to find more help on ncks and/or NCO:
1. Examples: http://nco.sf.net/nco.html#xmp_ncks
2. Ref. manual: http://nco.sf.net/nco.html#ncks
3. User Guide: http://nco.sf.net#RTFM
4. Manual pages: 'man ncks', 'man nco', ...
5. Homepage: http://nco.sf.net
6. FAQ: http://nco.sf.net#FAQ
7. Help Forum: http://sf.net/p/nco/discussion/9830
8. Publications: http://nco.sf.net#pub
Post questions, suggestions, patches at http://sf.net/projects/nco |
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