This is nco.info, produced by makeinfo version 7.0.3 from nco.texi.

INFO-DIR-SECTION netCDF
START-INFO-DIR-ENTRY
* NCO::        User Guide for the netCDF Operator suite
END-INFO-DIR-ENTRY

This file documents NCO, a collection of utilities to manipulate and
analyze netCDF files.

   Copyright © 1995–2023 Charlie Zender

   This is the first edition of the ‘NCO User Guide’,
and is consistent with version 2 of ‘texinfo.tex’.

   Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with no
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  The
license is available online at <http://www.gnu.org/copyleft/fdl.html>

   The original author of this software, Charlie Zender, wants to
improve it with the help of your suggestions, improvements, bug-reports,
and patches.
Charlie Zender <surname at uci dot edu> (yes, my surname is zender)
3200 Croul Hall
Department of Earth System Science
University of California, Irvine
Irvine, CA 92697-3100


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nco.info-1: 1122
nco.info-2: 304998
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nco.info-4: 901526

Tag Table:
(Indirect)
Node: Top1122
Node: Foreword2901
Node: Summary8077
Node: Introduction8884
Node: Availability9172
Ref: Availability-Footnote-111353
Node: How to Use This guide11765
Node: Compatability13584
Ref: Compatability-Footnote-119136
Ref: Compatability-Footnote-219284
Node: Windows Operating System19490
Ref: Windows Operating System-Footnote-122093
Node: Symbolic Links22334
Node: Libraries24350
Ref: Libraries-Footnote-125509
Node: netCDF2/3/4 and HDF4/5 Support25693
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-136698
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-236989
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-337355
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-437477
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-538556
Node: Help Requests and Bug Reports39050
Node: Strategies43961
Node: Philosophy44359
Node: Climate Model Paradigm45897
Node: Temporary Output Files46536
Ref: Temporary Output Files-Footnote-151780
Ref: Temporary Output Files-Footnote-251898
Node: Appending Variables52007
Ref: Appending Variables-Footnote-154101
Ref: Appending Variables-Footnote-254286
Node: Simple Arithmetic and Interpolation54443
Node: Statistics vs Concatenation55198
Ref: Statistics vs Concatenation-Footnote-156415
Ref: Statistics vs Concatenation-Footnote-256692
Node: Concatenation57080
Node: Averaging60758
Node: Interpolating62243
Node: Large Numbers of Files62771
Ref: Large Numbers of Files-Footnote-168768
Node: Large Datasets69104
Node: Memory Requirements72037
Node: Single and Multi-file Operators73490
Ref: Single and Multi-file Operators-Footnote-179281
Node: Memory for ncap279447
Node: Performance80939
Node: Shared features82946
Node: Internationalization84575
Node: Metadata Optimization85159
Node: OpenMP Threading87120
Node: Command Line Options91181
Ref: Command Line Options-Footnote-193678
Node: Truncating Long Options93971
Node: Multi-arguments95667
Ref: Multi-arguments-Footnote-1100068
Node: Sanitization of Input100365
Node: Specifying Input Files103044
Ref: Specifying Input Files-Footnote-1112495
Node: Specifying Output Files112840
Node: Remote storage114637
Ref: Remote storage-Footnote-1120290
Ref: Remote storage-Footnote-2120519
Ref: Remote storage-Footnote-3120875
Node: OPeNDAP121312
Ref: OPeNDAP-Footnote-1127727
Ref: OPeNDAP-Footnote-2128308
Ref: OPeNDAP-Footnote-3128778
Ref: OPeNDAP-Footnote-4129029
Ref: OPeNDAP-Footnote-5129425
Node: Retaining Retrieved Files129694
Node: File Formats and Conversion131958
Node: File Formats133161
Ref: File Formats-Footnote-1137443
Node: Determining File Format137635
Node: File Conversion141200
Ref: File Conversion-Footnote-1142980
Node: Autoconversion143223
Node: Zarr and NCZarr147678
Node: Large File Support151421
Ref: Large File Support-Footnote-1152964
Node: Subsetting Files153002
Ref: Subsetting Files-Footnote-1168604
Node: Subsetting Coordinate Variables168839
Node: Group Path Editing172063
Node: Flattening Groups174245
Node: Moving Groups179387
Ref: Moving Groups-Footnote-1181591
Node: Dismembering Files181780
Node: Checking CF-compliance189925
Ref: Checking CF-compliance-Footnote-1197309
Node: C and Fortran Index Conventions197465
Node: Hyperslabs199272
Node: Stride206055
Node: Record Appending209396
Node: Subcycle213198
Ref: Subcycle-Footnote-1217183
Node: Interleave217293
Node: Multislabs221960
Node: Wrapped Coordinates229916
Node: Auxiliary Coordinates232854
Node: Grid Generation240135
Ref: Grid Generation-Footnote-1267593
Ref: Grid Generation-Footnote-2268059
Node: Regridding268656
Node: Climatology and Bounds Support299549
Node: UDUnits Support304998
Node: Rebasing Time Coordinate314550
Node: Multiple Record Dimensions317613
Node: Missing Values319942
Ref: Missing Values-Footnote-1325886
Ref: Missing Values-Footnote-2326131
Node: Chunking326240
Ref: Chunking-Footnote-1344888
Node: Compression345138
Ref: fgr:qnt_cr_dfl357574
Ref: fgr:qnt_cr_bz2366182
Ref: fgr:qnt_cr_zst368654
Ref: Compression-Footnote-1369693
Ref: Compression-Footnote-2369817
Ref: Compression-Footnote-3369905
Ref: Compression-Footnote-4370001
Ref: Compression-Footnote-5370564
Ref: Compression-Footnote-6370781
Node: Linear Packing370976
Node: Precision-Preserving Compression372525
Ref: Precision-Preserving Compression-Footnote-1400381
Ref: Precision-Preserving Compression-Footnote-2400751
Ref: Precision-Preserving Compression-Footnote-3401173
Ref: Precision-Preserving Compression-Footnote-4402306
Ref: Precision-Preserving Compression-Footnote-5403690
Node: Deflation403890
Node: MD5 digests406135
Node: Buffer sizes410136
Ref: Buffer sizes-Footnote-1411434
Node: RAM disks411558
Node: Unbuffered I/O416571
Node: Packed data417870
Ref: Packed data-Footnote-1425656
Node: Operation Types425833
Node: Type Conversion433561
Node: Automatic type conversion434829
Ref: Automatic type conversion-Footnote-1441653
Ref: Automatic type conversion-Footnote-2441676
Ref: Automatic type conversion-Footnote-3441869
Node: Promoting Single-precision to Double442073
Ref: Promoting Single-precision to Double-Footnote-1461004
Ref: Promoting Single-precision to Double-Footnote-2461475
Ref: Promoting Single-precision to Double-Footnote-3461974
Ref: Promoting Single-precision to Double-Footnote-4462274
Ref: Promoting Single-precision to Double-Footnote-5462379
Node: Manual type conversion462443
Node: Batch Mode463428
Node: Global Attribute Addition464589
Node: History Attribute467112
Ref: History Attribute-Footnote-1470746
Node: File List Attributes470995
Node: CF Conventions472803
Node: ARM Conventions488966
Node: Operator Version491081
Node: Reference Manual492241
Node: ncap2 netCDF Arithmetic Processor493335
Node: Syntax of ncap2 statements498749
Node: Expressions500121
Node: Dimensions507503
Node: Left hand casting509752
Node: Arrays and hyperslabs514554
Node: Attributes520986
Node: Value List524762
Node: Number literals526021
Node: if statement529974
Node: Print & String methods532198
Node: Missing values ncap2536328
Node: Methods and functions541434
Node: RAM variables548726
Node: Where statement550007
Node: Loops555342
Node: Include files556690
Node: Sort methods557914
Node: UDUnits script569271
Node: Vpointer572990
Node: Irregular grids577498
Node: Bilinear interpolation583033
Node: GSL special functions587283
Ref: GSL special functions-Footnote-1609633
Node: GSL interpolation610957
Node: GSL least-squares fitting613041
Node: GSL statistics617111
Node: GSL random number generation620884
Node: Examples ncap2625392
Node: Intrinsic mathematical methods632964
Ref: Intrinsic mathematical methods-Footnote-1638317
Ref: Intrinsic mathematical methods-Footnote-2639176
Node: Operator precedence and associativity639249
Node: ID Quoting641801
Node: make_bounds() function644406
Node: solar_zenith_angle function645654
Node: ncatted netCDF Attribute Editor647016
Ref: ncatted netCDF Attribute Editor-Footnote-1667611
Node: ncbo netCDF Binary Operator668692
Ref: ncbo netCDF Binary Operator-Footnote-1682467
Ref: ncbo netCDF Binary Operator-Footnote-2682656
Ref: ncbo netCDF Binary Operator-Footnote-3683016
Ref: ncbo netCDF Binary Operator-Footnote-4683076
Ref: ncbo netCDF Binary Operator-Footnote-5683148
Ref: ncbo netCDF Binary Operator-Footnote-6683354
Node: ncclimo netCDF Climatology Generator683711
Ref: ncclimo netCDF Climatology Generator-Footnote-1762258
Ref: ncclimo netCDF Climatology Generator-Footnote-2762669
Ref: ncclimo netCDF Climatology Generator-Footnote-3762936
Node: ncecat netCDF Ensemble Concatenator763246
Node: nces netCDF Ensemble Statistics772882
Ref: nces netCDF Ensemble Statistics-Footnote-1783010
Ref: nces netCDF Ensemble Statistics-Footnote-2783288
Node: ncflint netCDF File Interpolator783811
Node: ncks netCDF Kitchen Sink792641
Ref: ncks netCDF Kitchen Sink-Footnote-1861326
Ref: ncks netCDF Kitchen Sink-Footnote-2861644
Ref: ncks netCDF Kitchen Sink-Footnote-3862015
Node: Filters for ncks862130
Node: ncpdq netCDF Permute Dimensions Quickly877412
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-1899446
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-2899551
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-3900132
Node: ncra netCDF Record Averager901526
Node: ncrcat netCDF Record Concatenator911474
Node: ncremap netCDF Remapper916075
Ref: ncremap netCDF Remapper-Footnote-11057614
Ref: ncremap netCDF Remapper-Footnote-21058025
Ref: ncremap netCDF Remapper-Footnote-31058108
Ref: ncremap netCDF Remapper-Footnote-41058250
Ref: ncremap netCDF Remapper-Footnote-51058576
Ref: ncremap netCDF Remapper-Footnote-61059049
Ref: ncremap netCDF Remapper-Footnote-71059335
Node: ncrename netCDF Renamer1059409
Node: ncwa netCDF Weighted Averager1076077
Ref: ncwa netCDF Weighted Averager-Footnote-11081497
Ref: ncwa netCDF Weighted Averager-Footnote-21081639
Node: Mask condition1081845
Ref: Mask condition-Footnote-11083322
Node: Normalization and Integration1083522
Ref: Normalization and Integration-Footnote-11089327
Ref: Normalization and Integration-Footnote-21089401
Ref: Normalization and Integration-Footnote-31089525
Node: Contributing1089694
Ref: Contributing-Footnote-11090429
Node: Contributors1090845
Node: Citation1095103
Node: Proposals for Institutional Funding1096519
Node: Quick Start1097698
Node: Daily data in one file1098175
Node: Monthly data in one file1099597
Node: One time point one file1101259
Node: Multiple files with multiple time points1102216
Node: CMIP5 Example1102710
Node: Combine Files1105458
Node: Global Distribution of Long-term Average1114916
Ref: fgr:glb1115152
Node: Annual Average over Regions1119933
Ref: fgr:anl1120143
Node: Monthly Cycle1133042
Ref: fgr:mon1133201
Node: Regrid MODIS Data1140267
Node: Add Coordinates to MODIS Data1147827
Node: Permute MODIS Coordinates1149829
Node: Parallel1151766
Node: CCSM Example1152118
Node: mybibnode1164803
Ref: ZeM071164928
Ref: Zen081165159
Ref: WZJ071165367
Ref: ZMW061165753
Ref: ZeW071165993
Ref: WZJ061166408
Ref: WZJ0731166598
Ref: WZJ0741167046
Ref: WZJ0811167248
Ref: WZJ0911167532
Ref: PFT881167750
Node: General Index1167877

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