beam/examples/beamsh: 'in' chdirs to a directory. 'pass' does simple passthrough
beam/examples/beamsh: 'in' chdirs to a directory. 'pass' does simple passthrough

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)

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arm,johnstep/docker.github.io,rajdeepd/swarm,bsmr-docker/swarm,thaJeztah/docker.github.io,menglingwei/denverdino.github.io,menglingwei/denverdino.github.io,LuisBosquez/docker.github.io,bdwill/docker.github.io,vlajos/swarm,jzwlqx/denverdino.github.io,fugr/swarm,errordeveloper/swarm,jay-lau/swarm,denverdino/docker.github.io,raoofm/swarm,mrjana/swarm,doronp/swarm,doronp/swarm,resouer/swarm,CiaranCostello/swarm,BSWANG/swarm,danix800/docker.github.io,qianzhangxa/swarm,docker/docker.github.io,kunalkushwaha/swarm,megamsys/swarm,chanwit/swarm,anweiss/docker.github.io,menglingwei/denverdino.github.io,auzias/swarm,EderRoger/swarm,vieux/swarm,bdwill/docker.github.io,bfirsh/swarm,joaofnfernandes/docker.github.io,pdevine/swarm,rancher/swarm,denverdino/swarm,allencloud/swarm,sfsmithcha/swarm,echupriyanov/swarm,unodba/swarm,raoofm/swarm,dims/swarm,docker-zh/docker.github.io,PeoplePerHour/libswarm,jzwlqx/denverdino.github.io,danix800/docker.github.io,pssahi/swarm,phiroict/docker,xFragger/swarm,shot/swarm,aduermael/docker.github.io,jeffjen/swarm,alexisbellido/docker.github.io,jimmyxian/swarm,adouang/swarm,bfirsh/swarm,NunoEdgarGub1/swarm,shahankhatch/swarm,moxiegirl/swarm,megamsys/swarm,yp-engineering/swarm,denverdino/denverdino.github.io,francisbouvier/swarm,BSWANG/denverdino.github.io,beni55/swarm-1,jimmyxian/swarm,rancher/swarm,mountkin/swarm,tranceitionalMynd/swarm,denverdino/docker.github.io,johnstep/docker.github.io,mgoelzer/swarm,docker-zh/docker.github.io,qianzhangxa/swarm,polyverse-security/swarm,mgoelzer/swarm,fugr/swarm,abronan/swarm,dims/swarm,docker-zh/docker.github.io,aidora/pisces,cpuguy83/swarm,jzwlqx/denverdino.github.io,Aorjoa/swarm,PeoplePerHour/libswarm