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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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I put this in a shell script called "svndiff", as it provides a handy decorated "svn diff" output that is colored (which you can't see here) and paged. The -r is required so less doesn't mangle the color codes.
There is 1 alternative - vote for the best!
If you can do better, submit your command here.
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Not surprisingly, colordiff (which is a perl script) is packaged under debian/ubuntu (and likely the same in other linux distributions) as the package 'colordiff'.
Also, I use less in my similar version of svndiff() with the -S option so as to allow long lines to extend off the screen rather than being wrapped. Cheers.
On RHEL, cdiff is the command