Files
This section describes files that can be manipulated by the OpenMatrix Language.
OML uses .oml files to store scripts and functions as a collection of OML statements. OML can read or write data from/to external files using commands acting on external files.
I/O and File Operations
The OpenMatrix language includes a variety of functions to operate on files.
I/O and File Operations functions can act on pure ASCII files or on binary files. They can also be used to either read or write files.
The following table provides a list of suggested functions that you can use for reading and
writing various file types:
| File Type | Reading Function | Writing Function |
|---|---|---|
| Binary | fread (combined with fopen first) | fwrite (combined with fclose afterwards) |
| ABF (Altair Binary Format) | readcae, readmultvectors, readvector | createabffile (combined with abfaddata, abfclose, and others) |
| CAE files from Altair solvers and other vendors | readcae, readmultvectors, readvector | createh3dfile (combined with writeh3ddata, closeh3dfile and others) |
| Excel-compatible | xlsread | xlswrite |
| Column-delimited | dlmread, csvread | dlmwrite, csvwrite |
| HDF5 | readhdf5, readhdf5attributes, readhdf5toc | writehdf5dataset (along with createhdf5dataset) and the counterpart functions that create groups and attributes |
| MAT | load | save |
| Generic text files or format-specific files | fgets, fgetl, fscanf | printf |