echo mypassword | sudo -S command

sudo visudo

%adm ALL=(ALL) NOPASSWD: ALL

tod    ALL=(ALL) NOPASSWD: /path/to/command

tod    ALL=(ALL) NOPASSWD: /path/to/command, /usr/bin/lsof, /root/bin/doit

Cmnd_Alias    SAFE = /usr/bin/id, /usr/bin/who, /usr/bin/lsof
Cmnd_Alias    SU = /bin/su, /usr/bin/vi, /usr/bin/vim
Cmnd_Alias    SHELLS = /bin/sh, /bin/bash, /bin/csh, /bin/tcsh

%wheel    ALL=(ALL) NOPASSWD: SAFE
%staff    ALL=(ALL) NOPASSWD: SAFE, !SU, !SHELLS
%operator ALL=(ALL) NOPASSWD: ALL

%wheel ALL=(ALL) NOPASSWD: ALL