Piping data on Windows command prompt

svn command-line backup svnadmin
nickf picture nickf · Apr 30, 2009 · Viewed 7.2k times · Source

I need to get a backup dump of a large (~8gb) svn repository. My current method involves using svnadmin dump to a file and then using 7-Zip to compress and split the file.

> svnadmin dump c:\path\to\myrepo > c:\svndump.svn
> 7z svndump.svn svndump.7z      // or whatever the correct syntax is

I was wondering if there would be a way to skip the middle-man here, and get the svn dump data to be compressed in one go by using pipes or something? Is this possible? What would the syntax be?

Answer

Dave Webb picture Dave Webb · Apr 30, 2009

svnadmin dump dumps to standard out by default and the 7z command line can read from standard input using the -si switch.

svnadmin dump c:\path\to\myrepo | 7z a -si svndump.7z

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