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Manual page for HEADERFIELDS(TDH)

headerfields


DATA HEADER FIELDS

Many of the TDHkit utilities recognize data header fields using a -h command line option. Header fields give names for fields in a data set. The header fields should be in the first non-blank, non-comment line of the file, and should be delimited in the same way as other fields. For example, in the following file, the field name header gives the fields as id, age, sex, hbp, and dbp. 

 // file submitted by jhp
 
 id	age	sex	hbp	dbp
 0001	38	m	120	80
 0002	42	f	122	56

The fields may then be identified and manipulated by name which is usually preferable to field number.

Another way to specify field names is by using logical record definitions


Tabular data handling toolkit 
Copyright Steve Grubb

Markup created by unroff 1.0,    August 02, 2001.