Re: Editing a text file with sed

["Mumia W.." <paduille.4061.mumia.w+nospam@earthlink.net>]

On 08/29/2007 08:17 AM, Joe Hart wrote:
> I am having trouble using sed to edit text files, heres a good example of what 
> I am looking for:
>
> <begin 1.txt>
> This is a test
> file, what I am
> trying to do is get the lines to join.
>
> It isn't a complicated thing,
> but I also want to keep the paragraphs
> separate.
> </end 1.txt>
>
> I try this command:
> [...]

Here's another Perl solution:

perl -00 -pe 's/\n+(?!$)/ /g; s/\n\n$/\n/' myfile.txt

If you want to keep the blank lines between paragraphs, remove the 
second substitution.