If there is a POSCAR file in the directory with the input file,
POSCAR_a_b
and the input file's structure section specifies
posfile POSCAR_a
then POSCAR_a_b will be read in and processed instead of warning about not being able to find POSCAR_a
Also, the search method may fail if there is a subdirectory containing POSCAR files with similar names.
If there is a POSCAR file in the directory with the input file, POSCAR_a_b and the input file's structure section specifies posfile POSCAR_a then POSCAR_a_b will be read in and processed instead of warning about not being able to find POSCAR_a Also, the search method may fail if there is a subdirectory containing POSCAR files with similar names.