Remove empty lines from file

[Ryan Schmidt]

On Nov 18, 2011, at 16:21, Bradley Giesbrecht wrote:

> I have tried 1 to 5 escapes to replace a newline and/or carriage returns with nothing.
> 
> reinplace "s|\n||g" file_path
> also
> reinplace -E "s|\n||g" file_path
> 
> Looking at other ports I see 1, 2 and 3 escapes inside double quotes.
> 
> Does anyone have an known working example?

Simplest way I know of removing empty lines with sed is:

reinplace "/^$/d" ${file}