#!/bin/bash
awk '
function month_to_num(month){
    if(month=="Jan"){       return(1);
    }else if(month=="Feb"){ return(2);
    }else if(month=="Mar"){ return(3);
    }else if(month=="Apr"){ return(4);
    }else if(month=="May"){ return(5);
    }else if(month=="Jun"){ return(6);
    }else if(month=="Jul"){ return(7);
    }else if(month=="Aug"){ return(8);
    }else if(month=="Sep"){ return(9);
    }else if(month=="Oct"){ return(10);
    }else if(month=="Nov"){ return(11);
    }else if(month=="Dec"){ return(12);
    }else{                  return(0);
    }
}

{
    command=sprintf("ls -l %s",$1);
    name=gensub("[0-9].*","","",$1);
    command | getline;
    month=month_to_num($6);
    day=$7;
    if(index($8,":")==0){
        year=$8;
    }else{
        curmonth=strftime("%m");
        if(curmonth<month){
            year=strftime("%Y");
        }else{
            year=strftime("%Y")-1;
        }
    }
    printf("%s|%s-%s-%s|%s\n",name,year,month,day,$9);
}
' \
| sort -t\| +0 +1 \
| awk -F\| '{print $3;}'