Optimize filename:extension/1 to produce less garbage
Optimize filename:extension/1 to produce less garbage

Simply return a tail of the flattened filename.

lightcyphers/otp,GinjaNinja32/otp,yangchengjian/otp,lrascao/otp,kvakvs/otp,emile/otp,lianghaivv/otp,hairyhum/otp,stolen/otp,tuncer/otp,stolen/otp,dgud/otp,riverrun/otp,lantti/otp,jj1bdx/otp,goertzenator/otp,paladim/otp,jamesruan/otp,sitexa/otp,VincentHHL/otp,sitexa/otp,johanclaesson/otp,palas/otp,riverrun/otp,cnbin/otp,sitexa/otp,GinjaNinja32/otp,neeraj9/otp,legoscia/otp,stolen/otp,goertzenator/otp,sammoth-wazoku/otp,ader1990/otp,emacsmirror/erlang,RJ/otp,schlagert/otp,c-rack/otp,RoadRunnr/otp,gjaldon/otp,vinoski/otp,sammoth-wazoku/otp,derek121/otp,johanclaesson/otp,gjaldon/otp,dumbbell/otp,theom/otp,klarna/otp,lemenkov/otp,lucafavatella/otp,potatosalad/otp,gjaldon/otp,weisslj/otp,jj1bdx/otp,massemanet/otp,derek121/otp,isvilen/otp,electricimp/otp,getong/otp,fenollp/otp,rlipscombe/otp,RJ/otp,johanclaesson/otp,ferd/otp,neeraj9/otp,bugs-erlang-org/otp,NOMORECOFFEE/otp,paulcager/otp,basho/otp,RichMorin/otp,neeraj9/otp,lightcyphers/otp,RoadRunnr/otp,bjorng/otp,GinjaNinja32/otp,release-project/otp,theom/otp,lianghaivv/otp,getong/otp,RJ/otp,electricimp/otp,Teino1978-Corp/otp,entropiae/otp,jamesruan/otp,fenollp/otp,RGafiyatullin/otp,rlipscombe/otp,bsmr-erlang/otp,basho/otp,cobusc/otp,jinshana/otp,ferd/otp,hairyhum/otp,g-andrade/otp,paladim/otp,massemanet/otp,msantos/otp,matwey/otp,entropiae/otp,aboroska/otp,paladim/otp,release-project/otp,GinjaNinja32/otp,lrascao/otp,getong/otp,bsmr-erlang/otp,mikpe/otp,sammoth-wazoku/otp,gjaldon/otp,uabboli/otp,NOMORECOFFEE/otp,jemsbhai/otp,lucafavatella/otp,Teino1978-Corp/otp,fenollp/otp,derek121/otp,matwey/otp,theom/otp,electricimp/otp,johanclaesson/otp,jemsbhai/otp,ahmedshafeeq/otp,ader1990/otp,mikpe/otp,RGafiyatullin/otp,falkevik/otp,kvakvs/otp,beni55/otp,haguenau/otp,hairyhum/otp,jinshana/otp,release-project/otp,neeraj9/otp,g-andrade/otp,vic/otp,psyeugenic/otp,bernardd/otp,jamesruan/otp,bugs-erlang-org/otp,platinumthinker/otp,lhslll/otp,theom/otp,bjorng/otp,rlipscombe/otp,kvakvs/otp,vinoski/otp,stolen/otp,paladim/otp,RichMorin/otp,palas/otp,entropiae/otp,benoitc/otp-1,lightcyphers/otp,basho/otp,tuncer/otp,dumbbell/otp,krishnakumar4a4/otp,msantos/otp,saleyn/otp,theom/otp,vic/otp,potatosalad/otp,basho/otp,legoscia/otp,RaimoNiskanen/otp,yangchengjian/otp,uabboli/otp,RGafiyatullin/otp,dumbbell/otp,g-andrade/otp,lightcyphers/otp,vinoski/otp,dgud/otp,bjorng/otp,basho/otp,getong/otp,dgud/otp,mikpe/otp,yangchengjian/otp,RichMorin/otp,msantos/otp,entropiae/otp,Teino1978-Corp/otp,vic/otp,beni55/otp,beni55/otp,massemanet/otp,Teino1978-Corp/erlang-otp,riverrun/otp,bjorng/otp,bjorng/otp,marquisthunder/otp,Teino1978-Corp/erlang-otp,bsmr-erlang/otp,emile/otp,paulcager/otp,riverrun/otp,legoscia/otp,RJ/otp,legoscia/otp,bugs-erlang-org/otp,bsmr-erlang/otp,falkevik/otp,lucafavatella/otp,erlang/otp,bsmr-erlang/otp,fenollp/otp,sdebnath/otp,enikki/otp,mikpe/otp,haguenau/otp,legoscia/otp,uabboli/otp,cnbin/otp,c-rack/otp,NOMORECOFFEE/otp,dumbbell/otp,palas/otp,VincentHHL/otp,jj1bdx/otp,benoitc/otp-1,derek121/otp,platinumthinker/otp,lantti/otp,isvilen/otp,entropiae/otp,msantos/otp,potatosalad/otp,dgud/otp,schlagert/otp,vic/otp,tuncer/otp,fenollp/otp,gjaldon/otp,Teino1978-Corp/otp,Teino1978-Corp/erlang-otp,isvilen/otp,falkevik/otp,weisslj/otp,benoitc/otp-1,paulcager/otp,hairyhum/otp,RoadRunnr/otp,dgud/otp,c-rack/otp,lhslll/otp,Teino1978-Corp/erlang-otp,cobusc/otp,haguenau/otp,lrascao/otp,riverrun/otp,jinshana/otp,palas/otp,marquisthunder/otp,kvakvs/otp,RoadRunnr/otp,marquisthunder/otp,g-andrade/otp,aboroska/otp,enikki/otp,RaimoNiskanen/otp,bsmr-erlang/otp,dgud/otp,ferd/otp,jamesruan/otp,saleyn/otp,hairyhum/otp,sdebnath/otp,massemanet/otp,mikpe/otp,Teino1978-Corp/erlang-otp,aboroska/otp,beni55/otp,cnbin/otp,GinjaNinja32/otp,ahmedshafeeq/otp,massemanet/otp,dumbbell/otp,electricimp/otp,emile/otp,cobusc/otp,vladdu/otp,release-project/otp,uabboli/otp,RoadRunnr/otp,entropiae/otp,vic/otp,rlipscombe/otp,aboroska/otp,riverrun/otp,paladim/otp,uabboli/otp,ader1990/otp,rlipscombe/otp,emacsmirror/erlang,mujiatong/otp,mujiatong/otp,c-rack/otp,bugs-erlang-org/otp,emacsmirror/erlang,sdebnath/otp,jemsbhai/otp,goertzenator/otp,sdebnath/otp,platinumthinker/otp,GinjaNinja32/otp,emacsmirror/erlang,mikpe/otp,bugs-erlang-org/otp,dumbbell/otp,erlang/otp,benoitc/otp-1,awetzel/otp,sdebnath/otp,g-andrade/otp,Teino1978-Corp/erlang-otp,paladim/otp,marquisthunder/otp,vladdu/otp,NOMORECOFFEE/otp,klarna/otp,potatosalad/otp,bernardd/otp,aboroska/otp,electricimp/otp,c-rack/otp,sitexa/otp,lemenkov/otp,release-project/otp,cnbin/otp,mujiatong/otp,lrascao/otp,mujiatong/otp,VincentHHL/otp,jamesruan/otp,tuncer/otp,NOMORECOFFEE/otp,jamesruan/otp,tuncer/otp,sammoth-wazoku/otp,lhslll/otp,goertzenator/otp,msantos/otp,sitexa/otp,platinumthinker/otp,weisslj/otp,benoitc/otp-1,schlagert/otp,goertzenator/otp,cnbin/otp,derek121/otp,RJ/otp,tuncer/otp,ader1990/otp,ahmedshafeeq/otp,vinoski/otp,massemanet/otp,sdebnath/otp,legoscia/otp,isvilen/otp,lightcyphers/otp,psyeugenic/otp,Teino1978-Corp/otp,gjaldon/otp,lantti/otp,ader1990/otp,cnbin/otp,lrascao/otp,RaimoNiskanen/otp,lemenkov/otp,krishnakumar4a4/otp,NOMORECOFFEE/otp,lemenkov/otp,mikpe/otp,stolen/otp,RaimoNiskanen/otp,ahmedshafeeq/otp,awetzel/otp,dumbbell/otp,legoscia/otp,dgud/otp,neeraj9/otp,marquisthunder/otp,bjorng/otp,jinshana/otp,isvilen/otp,beni55/otp,vinoski/otp,RGafiyatullin/otp,fenollp/otp,basho/otp,mujiatong/otp,saleyn/otp,goertzenator/otp,Teino1978-Corp/otp,g-andrade/otp,NOMORECOFFEE/otp,ferd/otp,msantos/otp,lucafavatella/otp,electricimp/otp,vladdu/otp,dumbbell/otp,johanclaesson/otp,GinjaNinja32/otp,kvakvs/otp,lucafavatella/otp,lucafavatella/otp,dgud/otp,jj1bdx/otp,theom/otp,awetzel/otp,RGafiyatullin/otp,rlipscombe/otp,emile/otp,RoadRunnr/otp,paulcager/otp,falkevik/otp,RGafiyatullin/otp,bjorng/otp,vinoski/otp,sitexa/otp,release-project/otp,kvakvs/otp,schlagert/otp,getong/otp,potatosalad/otp,bsmr-erlang/otp,basho/otp,getong/otp,lucafavatella/otp,emacsmirror/erlang,benoitc/otp-1,electricimp/otp,RaimoNiskanen/otp,potatosalad/otp,tuncer/otp,beni55/otp,bernardd/otp,lemenkov/otp,haguenau/otp,awetzel/otp,haguenau/otp,RaimoNiskanen/otp,neeraj9/otp,lhslll/otp,falkevik/otp,lantti/otp,yangchengjian/otp,jj1bdx/otp,legoscia/otp,NOMORECOFFEE/otp,klarna/otp,palas/otp,rlipscombe/otp,enikki/otp,getong/otp,psyeugenic/otp,sammoth-wazoku/otp,bsmr-erlang/otp,saleyn/otp,ahmedshafeeq/otp,bugs-erlang-org/otp,haguenau/otp,cobusc/otp,weisslj/otp,krishnakumar4a4/otp,dumbbell/otp,vinoski/otp,bernardd/otp,theom/otp,ferd/otp,fenollp/otp,Teino1978-Corp/otp,getong/otp,entropiae/otp,derek121/otp,johanclaesson/otp,psyeugenic/otp,schlagert/otp,stolen/otp,palas/otp,uabboli/otp,RichMorin/otp,bjorng/otp,aboroska/otp,vladdu/otp,jinshana/otp,g-andrade/otp,jinshana/otp,enikki/otp,falkevik/otp,fenollp/otp,ahmedshafeeq/otp,RJ/otp,bernardd/otp,saleyn/otp,neeraj9/otp,kvakvs/otp,RaimoNiskanen/otp,ferd/otp,vladdu/otp,sammoth-wazoku/otp,paulcager/otp,getong/otp,lhslll/otp,lemenkov/otp,legoscia/otp,bernardd/otp,isvilen/otp,schlagert/otp,derek121/otp,erlang/otp,Teino1978-Corp/erlang-otp,erlang/otp,marquisthunder/otp,emacsmirror/erlang,mujiatong/otp,lianghaivv/otp,mikpe/otp,klarna/otp,ferd/otp,aboroska/otp,marquisthunder/otp,klarna/otp,hairyhum/otp,sitexa/otp,palas/otp,gjaldon/otp,Teino1978-Corp/otp,bugs-erlang-org/otp,jemsbhai/otp,matwey/otp,stolen/otp,vic/otp,klarna/otp,mujiatong/otp,krishnakumar4a4/otp,vladdu/otp,massemanet/otp,jinshana/otp,erlang/otp,RJ/otp,lemenkov/otp,jemsbhai/otp,bernardd/otp,paladim/otp,isvilen/otp,sitexa/otp,psyeugenic/otp,lrascao/otp,vinoski/otp,c-rack/otp,paulcager/otp,stolen/otp,awetzel/otp,tuncer/otp,RoadRunnr/otp,benoitc/otp-1,jj1bdx/otp,dumbbell/otp,riverrun/otp,emile/otp,RGafiyatullin/otp,haguenau/otp,rlipscombe/otp,krishnakumar4a4/otp,massemanet/otp,saleyn/otp,potatosalad/otp,enikki/otp,bjorng/otp,rlipscombe/otp,schlagert/otp,lightcyphers/otp,krishnakumar4a4/otp,enikki/otp,ahmedshafeeq/otp,erlang/otp,jamesruan/otp,erlang/otp,benoitc/otp-1,tuncer/otp,gjaldon/otp,psyeugenic/otp,platinumthinker/otp,saleyn/otp,awetzel/otp,sdebnath/otp,jj1bdx/otp,jj1bdx/otp,cnbin/otp,emile/otp,lrascao/otp,saleyn/otp,hairyhum/otp,uabboli/otp,krishnakumar4a4/otp,bugs-erlang-org/otp,platinumthinker/otp,jemsbhai/otp,matwey/otp,c-rack/otp,erlang/otp,lianghaivv/otp,vinoski/otp,lhslll/otp,VincentHHL/otp,emile/otp,emacsmirror/erlang,derek121/otp,vic/otp,lrascao/otp,sammoth-wazoku/otp,jj1bdx/otp,falkevik/otp,lianghaivv/otp,matwey/otp,jamesruan/otp,lantti/otp,cobusc/otp,aboroska/otp,Teino1978-Corp/erlang-otp,sammoth-wazoku/otp,awetzel/otp,paulcager/otp,awetzel/otp,RGafiyatullin/otp,saleyn/otp,enikki/otp,RJ/otp,GinjaNinja32/otp,ferd/otp,platinumthinker/otp,VincentHHL/otp,enikki/otp,isvilen/otp,RoadRunnr/otp,emacsmirror/erlang,paladim/otp,aboroska/otp,lhslll/otp,krishnakumar4a4/otp,c-rack/otp,emacsmirror/erlang,potatosalad/otp,basho/otp,fenollp/otp,isvilen/otp,psyeugenic/otp,falkevik/otp,beni55/otp,yangchengjian/otp,platinumthinker/otp,jemsbhai/otp,weisslj/otp,RaimoNiskanen/otp,cobusc/otp,matwey/otp,schlagert/otp,johanclaesson/otp,ader1990/otp,vic/otp,mikpe/otp,jj1bdx/otp,ferd/otp,riverrun/otp,cobusc/otp,sdebnath/otp,goertzenator/otp,potatosalad/otp,RaimoNiskanen/otp,emacsmirror/erlang,matwey/otp,getong/otp,msantos/otp,bernardd/otp,erlang/otp,electricimp/otp,rlipscombe/otp,beni55/otp,weisslj/otp,jinshana/otp,vladdu/otp,lianghaivv/otp,lianghaivv/otp,release-project/otp,release-project/otp,g-andrade/otp,lhslll/otp,bernardd/otp,yangchengjian/otp,release-project/otp,RichMorin/otp,matwey/otp,basho/otp,marquisthunder/otp,lantti/otp,vladdu/otp,ader1990/otp,theom/otp,VincentHHL/otp,weisslj/otp,lucafavatella/otp,matwey/otp,jemsbhai/otp,lantti/otp,lemenkov/otp,ader1990/otp,psyeugenic/otp,klarna/otp,goertzenator/otp,RichMorin/otp,RichMorin/otp,g-andrade/otp,VincentHHL/otp,electricimp/otp,bsmr-erlang/otp,RichMorin/otp,potatosalad/otp,dgud/otp,lantti/otp,lrascao/otp,isvilen/otp,massemanet/otp,neeraj9/otp,vladdu/otp,uabboli/otp,RoadRunnr/otp,johanclaesson/otp,haguenau/otp,palas/otp,weisslj/otp,goertzenator/otp,kvakvs/otp,lightcyphers/otp,mujiatong/otp,bjorng/otp,cobusc/otp,weisslj/otp,kvakvs/otp,g-andrade/otp,mikpe/otp,emile/otp,erlang/otp,entropiae/otp,falkevik/otp,klarna/otp,yangchengjian/otp,vinoski/otp,VincentHHL/otp,lianghaivv/otp,emile/otp,cnbin/otp,paulcager/otp,uabboli/otp,ahmedshafeeq/otp,hairyhum/otp,yangchengjian/otp,ahmedshafeeq/otp,dgud/otp,msantos/otp,lightcyphers/otp