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Type | Description | Number of bytes | Example |
byte | flag | 1 | 1 |
char | separator | 1 | ; |
int2 | integer number | 2 | -30000 |
long | integer number | 4 | 2123456789 |
int4 | integer number | 4 | 2123456789 |
real4 | decimal number | 4 | -3.14159 |
float | decimal number | 4 | -3.14159 |
real8 | decimal number | 8 | 6.62×10-34 |
double | decimal number | 8 | 6.62×10-34 |
string | text | variable | Measurement |
Versions.
| Anchor | ||||
|---|---|---|---|---|
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The set of keywords is not static. Keywords may be added, keywords may become obsolete. Therefore there are versions. Versions keep track which keywords are allowed. The version of the GEF language which is used in a file, is expressed by its GEFID. By reading the GEFID any functions processing a GEF file, can determine whether the software has sufficient capabilities to process this file. Currently there are three legitimate versions of a GEF file:
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