This is a small python code, which uses Atomic Simulation Environment and spglib to determine the symmetry information from a structure file like POSCAR, CIF and many more supported by ase.io.read (refer to https://wiki.fysik.dtu.dk/ase/ase/io/io.html).
Using pip, use the following command to install
pip install structure2symmetry
Using the source code, use the following set of command
git clone https://github.com/Shibu778/structure2symmetry.git
cd structure2symmetry
pip install -e .
You can use the following command line interface to get symmetry information from a structure file.
struct2symm --filepath "./SiC.cif" --tolerance 1e-6 --angle_tolerance 0.01 --destination "./" --savefile "data.info"