Remove temporary folders after testing for convergence

# Script settings

l_start=2 # first order to test

l_end=40 # last order to test

l_end=20 # last order to test

wavelength="1.000E-06" # wavelength to test (use your shortest one)

dielec_real="2.6015926E+00" # real part of dielectric function

dielec_imag="3.8710688E-04" # imaginary part of dielectric function

    cd ..

    str_line=$(tail -1 ${folder}/convergence_ics.csv)

    echo "${str_line},${fold_index}" >> convergence.csv

    rm -rf ${folder}

    li=$((li+1))

done