[eylvi@thunder3 Li0.5NbO2] ~/espresso-3.0-itanium/upftools/fhi2upf.x
Input file > Li
Pseudopotential with NLCC successfully read
Atom name > Li
l local (max: 3) > 2
DFT > pz
Wavefunction # 1: label, occupancy > s 1
Wavefunction # 2: label, occupancy > p 0
Wavefunction # 3: label, occupancy > d 0
Wavefunction # 4: label, occupancy > f 0
Pseudopotential successfully converted
Output PP file in UPF format :  Li.UPF                                                                                                                                                                                                        
*** PLEASE TEST BEFORE USING!!! ***
review the content of the PP_INFO fields