Re: How to combine lines into paragraphs?

[Manuel Collado]

El 09/09/2022 a las 16:56, Peng Yu escribió:
> Hi,
>
> ===
> line1
> line2
>
>
> line3
> line4
> ===
>
> For example, for the above input, the output should be the following
>
> ===
> line1 line2
>
> line3 line4
> ===
>
> What is the most succinct way to do so in awk?

You can use the multiline record feature of gawk.

---
BEGIN {RS=""; ORS="\n\n"}
{gsub(/\n/," "); print}
---

HTH.
--
Manuel Collado - http://mcollado.z15.es