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Original submitted version would break if any filenames had whitespaces in them. The command is a Bad Idea anyhow, because you will end up `cat`ing a binary or something else specacularly bad.
There are 14 alternatives - vote for the best!
The better alternative to #9756.
I don't think I'd ever use the original command, but this one was so bad I had to post this. Sorry.
1. $(ls) is dumb, and will give errors if you have an alias like "ls -Fs"
2. clear is better and more portable than reset state.
3. if you're interested in differences, then use diff, not cat.
no need for a for loop when cat takes multiple arguments
If you can do better, submit your command here.
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