http://tortoisesvn.net/docs/release/TortoiseSVN_en/tsvn-automation.html#tsvn-automation-basics
TortoiseProc.exe /command:blame /startrev:1 /endrev:-1
/path:"path/to/file/to/blame" /notempfile
TortoiseBlame is only a viewer. It doesn't fetch the blame itself.
Stefan
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