for g in `cat list_ADNI` ;
do f="${g##*s}";
m="${f//[^[:digit:]]/}";
echo ${#m};
then
echo ${g} | awk '{ split($0, fname, "/");  for g in `cat list_ADNI` ; do print '%s\n' "${fname[2]%}.PD.nii.gz" }'; done
for g in `cat list_ADNI` ; do print '%s\n' "${fname[2]%}.PD.nii.gz"; done
done

for file in */*; do ls | xargs -I {} echo "$(pwd -P)/{}" | xargs | sed 's/ /,/g'; done
for file in ls *_S_*/*/*nii.gz; do id_temp=${file#*/}; id=${id_temp%%/*}; cp ${file} ${file%%/*}_T2.nii.gz; done