Manage you screen sessions

getscr.sh

#!/bin/bash                                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                                               
if [ -z "$1" ]; then                                                                                                                                                                                                                                                           
  options=0                                                                                                                                                                                                                                                                    
  while read line; do                                                                                                                                                                                                                                                          
    if [[ $line =~ ([0-9]+)\.([a-zA-Z0-9_]+) ]]; then                                                                                                                                                                                                                          
      let "options = options + 1"                                                                                                                                                                                                                                              
      echo -n "(${options}) "                                                                                                                                                                                                                                                  
      echo -n " - ${BASH_REMATCH[2]} - "                                                                                                                                                                                                                                       
      sessions[$options]="${BASH_REMATCH[2]}"                                                                                                                                                                                                                                  
    fi                                                                                                                                                                                                                                                                         
    echo $line                                                                                                                                                                                                                                                                 
  done <<< "`screen -list`"                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                                               
  echo "Select a screen. Type 'n' to get a new screen"                                                                                                                                                                                                                         
  echo "Put an d after to detach any other connections"                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                               
  read option attach_option                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                                               
  if [ "$option" == "n" ]; then                                                                                                                                                                                                                                                
    attach_option="n"                                                                                                                                                                                                                                                          
    echo -n "Enter screen name: "                                                                                                                                                                                                                                              
    read screen_name                                                                                                                                                                                                                                                           
  else                                                                                                                                                                                                                                                                         
    screen_name=${sessions[option]}                                                                                                                                                                                                                                            
  fi                                                                                                                                                                                                                                                                           
else                                                                                                                                                                                                                                                                           
  screen_name=$1                                                                                                                                                                                                                                                               
  attach_option="d"                                                                                                                                                                                                                                                            
fi                                                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                                               
if [ -n "$screen_name" ]; then                                                                                                                                                                                                                                                 
  if [ "$attach_option" == "d" ] || [ "$attach_option" == "n" ]; then                                                                                                                                                                                                          
    screen -RaAD -S $screen_name                                                                                                                                                                                                                                               
  else                                                                                                                                                                                                                                                                         
    screen -x -S $screen_name                                                                                                                                                                                                                                                  
  fi                                                                                                                                                                                                                                                                           
else                                                                                                                                                                                                                                                                           
  echo "No screen name entered"                                                                                                                                                                                                                                                
fi