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Re:Bringing Bash's powerful command line editing to Microsof... by ehosca on Sunday July 01, 2012 @11:32PM (#4187179)
perhaps the real solution to the performance issue you mention is to have svnadmin actually write to a target file instead of crossing process boundaries to redirect stdout ?

have you tried :

Start-Process '{PATHTOSUBVERSION}\svnadmin' -argumentlist "dump {PATH_TO_REPOSITORY}" -RedirectStandardOutput c:\temp\repodump.dmp -Wait

more examples here : http://www.youtube.com/watch?v=9sn2L0E5jT8

Re:Bringing Bash's powerful command line editing to Microsof... by gouranga on Monday July 02, 2012 @03:12AM (#4187716)
Never tried that. I will have a go. Thanks for the suggestion.

Unfortunately its very verbose for a simple case which works fine in cmd so I'm not sure that it warrants using that tool