Each line in a GAV schema file begins with a "token" or a "descriptor". These are special keywords used in defining the format of the data. The first line of a schema file must contain only the token "GAV". This identifies the file as a GAV schema file. The remaining lines in the schema file describe the format of the data in the GAV data file.
A GAV schema file can contain comments. Comment lines begin with an exclamation mark (!) character. Comment lines and blank lines are ignored.
The following is a list of GAV descriptors:
NAME CATEGORY OFFSET SEPARATOR_CHAR SEPARATOR_CHARS SEPARATORCHARS_ASONE HAS_COORDFIELD COMMENT_CHAR COMMENT_CHARS MAPUNITS METADATA METADATA_SEPARATOR LAYER_END LAYER_END_REUSE DATA ROWS
The descriptors SEPARATOR_CHAR and SEPARATOR_CHARS are equivalent, as are COMMENT_CHAR AND COMMENT_CHARS.
GAV descriptors are case insensitive.
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