.bashrc

 export WORKON_HOME=$HOME/.virtualenvs                                                                                                                                                                                                                                        
 source /usr/local/bin/virtualenvwrapper.sh                                                                                                                                                                                                                                   
 export PIP_VIRTUALENV_BASE=$WORKON_HOME                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                              
 look_for_cmd=0                                                                                                                                                                                                                                                               
 print_cmd() {                                                                                                                                                                                                                                                                
     if [ ${look_for_cmd} = 1 ] ;then                                                                                                                                                                                                                                         
         if [ "${BASH_COMMAND}" != 'print_host' ] ;then                                                                                                                                                                                                                       
         cmdline=$(history 1 | xargs | cut -d\  -f3-)                                                                                                                                                                                                                         
     if [[ "${cmdline}" =~ ^(sudo|ssh|vi|man|more|less)\  ]] ;then                                                                                                                                                                                                            
         first=$(echo "${cmdline}" | awk '{print $1}')                                                                                                                                                                                                                        
         for i in ${cmdline} ;do                                                                                                                                                                                                                                              
             if ! [[ "${i}" =~ ^-.*$ ]] && ! [[ "${i}" =~ ^${first}$ ]] ;then                                                                                                                                                                                                 
                 cmd="${first}[${i}]"                                                                                                                                                                                                                                         
                 break                                                                                                                                                                                                                                                        
             fi                                                                                                                                                                                                                                                               
         done                                                                                                                                                                                                                                                                 
     elif [[ "${cmdline}" =~ ^[A-Z]*=.*$ ]] ;then                                                                                                                                                                                                                             
         cmd=$(echo ${cmdline} | awk '{print $2}')                                                                                                                                                                                                                            
     else                                                                                                                                                                                                                                                                     
         cmd=$(echo ${cmdline} | awk '{print $1}')                                                                                                                                                                                                                            
     fi                                                                                                                                                                                                                                                                       
     echo -ne "\033k${cmd}\033\\" 1>&2                                                                                                                                                                                                                                        
     look_for_cmd=0                                                                                                                                                                                                                                                           
     else                                                                                                                                                                                                                                                                     
         return                                                                                                                                                                                                                                                               
     fi                                                                                                                                                                                                                                                                       
 fi                                                                                                                                                                                                                                                                           
 }                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                              
 print_host() {                                                                                                                                                                                                                                                               
     echo -ne "\033k${HOSTNAME}\033\\" 1>&2                                                                                                                                                                                                                                   
     look_for_cmd=1                                                                                                                                                                                                                                                           
 }                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                              
 PROMPT_COMMAND="print_host"                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                              
 trap "print_cmd" DEBUG