Joining two consecutive lines using awk or sed

Question

How would I join two lines using awk or sed?

for e.g.:

I have data that looks like this:

abcd
joinabcd
efgh
joinefgh
ijkl
j         


        

Answer 1

This is the answer to the question "How to make the count and the file appear on the same line" in the command:

find . -type f -exec fgrep -ci "MySQL" {} \; -print

Bryon Nicolson's answer produced the best result.