Unpack file header parameters into a list.
Reads the 32-byte file header from file and unpacks into a list. Endiness is corrected as needed.
Returned list contents:
N | Variable | Description |
---|---|---|
0 | nblocks | data blocks in file |
1 | ntraces | traces per block |
2 | np | elements per trace |
3 | ebytes | bytes per element |
4 | tbytes | bytes per trace |
5 | bbytes | bytes per block |
6 | vers_id | software version, file_id status bits |
7 | status | status of whole file |
8 | nbheaders | number of block headers per block (1) |