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8.11 Reading variables from an external file

Variables can be read from an external file using

READVAR, filename, [option]

Such files can be saved, for instance by the geometry optimization program, and reused later to recover a certain optimized geometry. The format of the input in filename is the same as for ordinary input.

If option=NOINDEX|IGNOREINDEX is given then variable indices are ignored and only the last value saved is read (without index). This can be useful if for example a file saved with SAVEACT in a geometry optimization is read, and it is intended to continue with the variables that were saved last. 2018-08-16