bash - How to merge Multiple lines into one line only if the previous line ends with backslash?

Question

Closed. This question needs to be more focused. It is not currently accepting answers. question from:https://stackoverflow.com/questions/65938314/how-to-merge-multiple-lines-into-one-line-only-if-the-previous-line-ends-with-ba

Answer 1

Assuming that is at the end of each line with no spaces after:

sed -z 's/\
//g' file

Consume the file with no line endings (-z) and then replace and and an new line with nothing.