svn diff in a batch file

Question

I am trying to obtain the number of lines changed between two two revisions of a file using the svn diff command. My code is as follows:

svn diff "http://svn.apache.org/repos/asf/lucene/dev/trunk" --revision 923475:925738 >>output.txt

When i open up a cmd window and run this, it works fine. Now, I am a beginner in batch scripting and not familiar with it. As I understand it, if i copy and paste the above command into a .bat file and then run that .bat file, i should get the same output. However, when i tried this, what happens is that it writes the following to the output text file in a never ending loop.

C:\Users\Desktop>svn diff "http://svn.apache.org/repos/asf/lucene/dev/trunk" --revision 923475:925738 1>>output.txt

Could anyone please tell me what I am doing wrong or show me how to use the svn diff command inside a batch file? Thank you.

Lazy Badger · Accepted Answer · 2012-11-02 20:16:24Z

1

Notes, not answer

Good syntax for your command (and task) is

svn diff http://svn.apache.org/repos/asf/lucene/dev/trunk -r 923475:925738

(note none of " around URL, -r = --revision, just shorter)

Biggest trouble at the same time for URL is command output

svn: E160013: Diff target 'http://svn.apache.org/repos/asf/lucene/dev/trunk' was not found in the repository at revisions '923475' and '925738'

i.e - you can't get result even in your syntax and from command-prompt

If we svn log -q http://svn.apache.org/repos/asf/lucene/dev/trunk | tail -2 we'll get

r924461 | markrmiller | 2010-03-18 01:17:26 +0500 (Чт, 18 мар 2010)
------------------------------------------------------------------------

924461 > 923475, trunk didn't exist on start revision yet

If you want "... obtain the number of lines changed between two two revisions of a file...", you have to define this file in URL, dev/trunk is directory with a lot of files
output.txt will be giant multiMB file with diffs without needed you data

how to use the svn diff command inside a batch file?

Same way as it performed in command prompt by hand (only one detail - when you work with WC, don't forget cd to it or use full path to WC inside bat-file)

answered Nov 2, 2012 at 20:16

Lazy Badger

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1 Comment

nave Over a year ago

sorry, i did not understand what you meant by WC? which directory do i need to include the full path of inside the bat file?

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