I keep bumping up against this, so I thought I'd throw this question out
to those who understand sed better than I do.
What I'm trying to do is to clean up the contents of some files
(/sys/i386/conf/GENERIC would be a good example) to get more readable
diffs. To that end, I'm trying to use sed to
- delete commented lines
- remove inline comments
- remove trailing spaces and/or tabs
- delete blank lines, and/or lines containing just spaces and/or tabs
- expand tabs
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