NCL常见错误解决方案.doc

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1、NCLFrequentlyAskedQuestions(FAQ)Basics 

2、 NCLcorelanguage 

3、 Fileinput/output 

4、 Datahandling 

5、 Dataanalysis 

6、 Visualization 

7、 Arrayfunctions 

8、Outputformats 

9、 Errormessages 

10、 Memoryissues 

11、 Documentation 

12、 Miscellaneous 

13、Basics1.WherecanIdownloadNCL?2.I'mhavingprob

14、lemsdownloadingNCLfromtheESGwebsite.3.HowdoIsetupmyenvironmenttorunNCL?4.HowdoIrunNCL?5.HowdoIdeterminetheversionofNCL?6.ArethereanyemaillistsIcanjoin?7.WherecanIseesomeexamplesofhowtouseNCL?8.ArethereanyNCLcommandlineoptionsIcanuse?9.Arethereanyeditorenhancemen

15、tsforeditingNCLscripts?10.IfI'mrunningNCLinteractively,arethereanycommand-lineshortcutsIcanuse?11.IfI'mrunninginteractively,howcanIloadsomeexistingNCLcode?12.IsthereanywayIcanturnoffthepreceding"(n)"outputwhenIprintabunchofvalues?13.MyNCLscriptisquittingsuddenly

16、,andI'mnotsurewhereand/orwhy.14.HowdoItellifIhaveanOPeNDAP-enabledNCL?NCLcorelanguage1.HowdoIcommentalineinNCL?Isthereawaytohaveablockofcomments?2.IsthereacontinuationcharacterinNCL?3.HowdoIeasilyconvertanumbertoastring?4.HowdoIcreateanewvariablethatdoesn'tconta

17、ina_FillValueattribute?5.HowdoIcreateadouble,long,short,orbytevariablewithoutusing"new"oroneoftheconversionroutines,like"integertobyte"?6.HowdoIincludethedoublequote(")characterinanNCLstring?7.CanNCLpromptforuserinput?8.IsitpossibletohaveglobalvariablesinNCL?9.H

18、owcanIdeletemultipleNCLvariableswithonestatement?10.HowdoIdeleteanameddimension?11.IsthereawaytoseetheloadedvariablesandtheirdimensionsinNCLsimilarto"whos"inmatlab?12.I'mgettinganunexpectedvaluewhenIusethepower('^')operatorcombinedwithanegativevalue.1.HowdoIcrea

19、tealistofstringintegerswithleadingzeros("008","009","010",etc)?2.HowdoIgetthecurrentdateintoNCLasastring?3.HowdoIgetalistoffilesintoanarrayofstringsinNCL?4.HowcanIrecursivelygetalistoffilesinadirectorytreeintoNCL?5.HowdoIconcatenatestringsandvaluesinNCL?6.HowdoI

20、retrieveanenvironmentvariableinNCL?7.HowdoIprintnicelyformatted,multiplecolumnsofdatainNCL?8.Canmultiplevariablesbereturnedfromausercreatedfunction?Fileinput/output1.