Unique lines assuming sorted input file

tp_uniq_tool

Version	Tool Shed	Owner	Galaxy instances where the tool is available
1.1.1	toolshed.g2.bx.psu.edu	bgruening	bipaa-galaxy.genouest.org usegalaxy.org.au
1.1.1	toolshed.g2.bx.psu.edu	bgruening	galaxy.mesocentre.uca.fr
1.1.1	toolshed.g2.bx.psu.edu	bgruening	galaxy.hyphy.org
1.1.1	toolshed.g2.bx.psu.edu	bgruening	usegalaxy.be
1.1.1	toolshed.g2.bx.psu.edu	bgruening	ab-openlab.csir.res.in/frog ab-openlab.csir.res.in/mitolink_v1
1.1.1	toolshed.g2.bx.psu.edu	bgruening	galaxy.genouest.org usegalaxy.eu usegalaxy.fr usegalaxy.no usegalaxy.org
1.1.0	toolshed.g2.bx.psu.edu	bgruening	galaxy.genouest.org
1.1.0	toolshed.g2.bx.psu.edu	bgruening	pepsimili.e-nios.com:8080 usegalaxy.be usegalaxy.org
1.1.0	toolshed.g2.bx.psu.edu	bgruening	usegalaxy.eu usegalaxy.no
1.0.0	toolshed.g2.bx.psu.edu	bgruening	usegalaxy.be usegalaxy.org
1.0.0	toolshed.g2.bx.psu.edu	bgruening	usegalaxy.eu