DOKK / manpages / debian 12 / wannier90 / w90chk2chk.x.1.en
w90chk2chk.x(1) General Commands Manual w90chk2chk.x(1)

w90chk2chk.x - convert wannier90.x checkpoint file between machine-dependent and machine-independent formats

w90chk2chk.x [options] [seedname]

-u2f, -export
Convert from unformatted (standard) format to formatted format, to export
the checkpoint file on a different machine.
The seedname.chk file is read and the seedname.chk.fmt file is generated.

-f2u, -import
Convert from formatted format to unformatted (standard) format, to import
the checkpoint file seedname.chk.fmt from a different machine.
The seedname.chk.fmt file is read and the seedname.chk file is generated.

seedname
If a seedname string is given the code will read its input from a file
seedname.chk. The default value is wannier. One can also equivalently
provide the string seedname.chk instead of seedname.