Create a VASP CHGCAR file from a JDFTx output file. Usage:
createVASP <jdftxOutFile> <vaspFile> [<nFilename>]
Save the final structure and electron density from JDFTx output
file <jdftxOutFile> to a VASP CHGCAR format file in <vaspFile>.
The electron density is read from the appropriate filename
determined by parsing the output; this can be overriden by
explicitly specifying <nFilename>.
Note: this tool requires awk and octave to be available in path.