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Why is GNU diff such a memory hog? [closed]
There are enough questions asking how to diff large files, as diff can't handle them.
I'd like to know why GNU diff can't handle them.
I did a tiny experiment. I diffed two identical datasets, ...
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Tool for diffing large files
When I use "diff" to find the difference between two large data files,
diff A.txt B.txt > dif.info
it is output:
diff:memory exhausted
or add the argument "-H"
diff -H A.txt B.txt > dif....
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