Shell output with plot a tree structure.

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http://www.unix.com – Hi All, i am in need of plotting graph ( tree structure ) depends upon my shell script output. For this requirement, what kind of open source avail in market. For example: (my script output will be like below ) Parent:A process-name:child-processes A:B,C B: D expecting tree like below (sample) A B C D please help me on this , which tool can i use for this ? thanks in advance PONMUTHU M :b: (HowTos)