How can I remove a line-feed/newline BEFORE a pattern using sed

Question

The title already states it:

I want to use some linux one liner (e.g. sed)

to transform

Anytext
{

into

Anyt         


        

Answer 1

If the intention is to remove the newline from a \n{ sequence bbe seems to be the simplest tool to use:

bbe -e 's/\n{/{/' infile