How can I capitalize the first letter of each word?

Question

I need a script in any language to capitalize the first letter of every word in a file.

Thanks for all the answers.

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Answer 1

Using the non-standard (Gnu extension) sed utility from the command line:

sed -i '' -r 's/\b(.)/\U\1/g' file.txt

Get rid of the "-i" if you don't want it to modify the file in-place.

note that you should not use this in portable scripts