perl 处理文本

redis01:/root# cat abc
GET /api/sale/get_voucher_list?loupan_id=32300&suid=kJIjl&loupan_site=sc&code=d30d52a87c0ba4e342c9315d44845be5&source=pc HTTP/1.1
GET /api/sale/get_voucher_list?loupan_id=108578&loupan_site=huizhou&code=26f3cdc956828768a54c334eb76770f5&source=pc HTTP/1.1
GET /api/sale/get_voucher_list?loupan_id=107499&loupan_site=dg&code=e22b6dd312cd2921adc0788578345615&source=pc HTTP/1.1
GET /api/sale/get_voucher_list?loupan_id=103399&loupan_site=nb&code=ccc411746f3505ea8fe5ecef6b2657ce&source=pc HTTP/1.1
POST /api/sale/get_voucher_list?loupan_id=103399&loupan_site=nb&code=ccc411746f3505ea8fe5ecef6b2657ce&source=pc HTTP/1.1
GET /index.php/Site/Index/room_id/1206?wt_source=newshp_twzb_05 HTTP/1.1
GET /rss/detail/jinri/6154165177643499905.html?source=jrtt HTTP/1.1
GET /rss/detail/jinri/6153808754283709277.html?source=jrtt HTTP/1.1
GET /rss/detail/jinri/6154162659391767265.html?source=jrtt HTTP/1.1
GET /sso/cookies.php?callback=_1467350571428134&uid=140812417 HTTP/1.1
GET /sso/cookies.php?callback=_1467350571421134&uid=140812117 HTTP/1.1
GET /sso/cookies.php?callback=_14673505734551134&uid=141234522117 HTTP/1.1
GET /sso/cookies.php?callback=_146711135411428134&uid=14112322117 HTTP/1.1
GET /index.php/Site/Index/room_id/1116?wt_source=newshp_twzb_05&max=123 HTTP/1.1
GET /index.php/Site/Index/room_id/1356?wt_source=newshp_twzb_03 HTTP/1.1
redis01:/root# perl a1.pl 
GET /rss/detail/jinri/6154162659391767265.html?source=jrtt HTTP/1.1
GET /index.php/Site/Index/room_id/1356?wt_source=newshp_twzb_03 HTTP/1.1
GET /index.php/Site/Index/room_id/1206?wt_source=newshp_twzb_05 HTTP/1.1
GET /rss/detail/jinri/6154165177643499905.html?source=jrtt HTTP/1.1
POST /api/sale/get_voucher_list?loupan_id=103399&loupan_site=nb&code=ccc411746f3505ea8fe5ecef6b2657ce&source=pc HTTP/1.1
GET /rss/detail/jinri/6153808754283709277.html?source=jrtt HTTP/1.1
GET /sso/cookies.php?callback=_146711135411428134&uid=14112322117 HTTP/1.1
GET /index.php/Site/Index/room_id/1116?wt_source=newshp_twzb_05&max=123 HTTP/1.1
redis01:/root# cat a1.pl 
          open (LOG ,"<","abc");  
              while (<LOG>) {  
                        chomp; 
                        if ($_ =~ /s*(POST|GET)s+(.*?)?.*/){
                        $hash{$2}=$_;
                        };
                      }; 
        while(my($a, $b) = each %hash) 
               {
                 print $b."
";
                 };