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We use this to quickly highlight differences and provide a quick way to cut and paste the command to view the files using the marvellous vimdiff
There are 6 alternatives - vote for the best!
LC_ALL=C is here to always grep on "differ" whatever your language env.
xargs -n 2 to run gvim -d with 2 arguments
gvim --nofork to use only one instance of gvim
If you can do better, submit your command here.
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