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4.4.14 Multiple segment data: The -m option

The -m option states that the input and output table data will contain special records that marks the start of new line (or polygon) segments. These records are identified by their first character, which can be specified as an argument to -m [The default is $>$]. Append the modifiers i or o if the option should only apply to input or output, respectively. For binary data a multiple segment header is identified as a data record where all fields equal NaN. See section 4.4.14 and Appendix B for more details.


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Next: 4.4.15 Lat/Lon or Lon/Lat?: Up: 4.4 Standardized command line Previous: 4.4.13 Data gap detection:   Contents   Index
Paul Wessel 2011-02-27