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editfst (also called editfst2000) is a utility used for editing and copying records from RPN standard files into a new or existing RPN standard file. It can do a straight (complete) copy of the input file or it can copy records selectively as indicated from the standard input or from a file of directives named in the "-i" key. One can select (via desire), exclude (via exclure) or modify (zap) records by their:
- TYPVAR: type of variable; 'A'(analysis),'P'(forecast),'X'
- NOMVAR: 4 caracter variable name
- ETIKET: 12 caracter label recorded from the original model run
- DATE: CMC date timestamp
- IP1: the level of the field (in pressure,eta,meters,other)
- IP2: the hour of the forecast (rounded off if not exact)
- IP3: value of 0 unless otherwise modified
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