Agilent Technologies N4000A, Operating And Service Manual

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Chapter 2 35
ENR File Format
Format Details
Header Fields
General form
Header fields must have a "[" as the first character in the line. Each
header field has the general form:
• [FieldName OptionalValue]
• The "[" must be the first character on the line.
• The FieldName and OptionalValue, if present, must be separated by
whitespace.
• Whitespace following the "]" is ignored.
• The file must start with one or more header fields (ignoring
comments and blank lines).
All header fields must appear at the beginning of the file before the ENR
data records. Mixing header fields and ENR data is not permitted.
Mandatory header
fields
Certain header fields must be present. These are:
NOTE
All mandatory fields must appear in the file before any optional header
fields.
Optional header
fields
The following header fields are also allowed.
Table 2-1 Mandatory header fields
FieldName Description OptionalValue Description Example
Filetype Indicates the type of
file.
ENR Only ’ENR’ is
allowed for ENR
data files.
[Filetype ENR]
Version Indicates the version
of the file format
which applies to this
file.
versionnumber
(formatted as
major.minor)
Allows for future
changes in the file
format.
[Version 1.0]