In this article, you have learned what SED is, how SED works, how to replace a string in a file, how to replace a variable in a file, and how to perform the deletion. To learn more about Linux, follow ...

Word only, huh? Well, we have Word at work. If I turn off line breaks, I should be able to process each file in a couple seconds. Thanks—that's probably what I end up doing.

The problem I've noticed is that if I append the file with each of the 100k runs (one at a time), it can happen that two threads try to save to the file at the same time and some row (s) end up empty.