Insert space after period using sed

Question

I\'ve got a bunch of files that have sentences ending like this: \\@.Next sentence. I\'d like to insert a space after the period.

Not all occurrences of

Answer 1

This might work for you:

sed -i .bak -E 's/\\@\. \?/\\@. /g' *.tex

Explanation:

If there's a space there replace it with a space, otherwise insert a space.