Bash Awk elimina una columna específica
awk '!($5="")' tmp1.pdb > tmp2.pdb # remove chain 5th column input : tmp1.pdb output :tmp2.pdb
Hutch Polecat
awk '!($5="")' tmp1.pdb > tmp2.pdb # remove chain 5th column input : tmp1.pdb output :tmp2.pdb