remove newlines from a file

Mak Kolybabi mak at
Tue Sep 1 18:55:40 UTC 2009

On 2009-09-01 18:03, Paul Schmehl wrote:
> I found a sed tutorial once that did this, but I can't seem to find it
> again. I have a file with multiple lines, each of which contains a single
> ip followed by a /32 and a comma.  I want to combine all those lines into a
> single line by removing all the newline characters at the end of each line.
> What's the best/most efficient way of doing that in a shell?

Personally, I'd use:
% tr -d '\n' < inputfile

Matthew Anthony Kolybabi (Mak)
<mak at>

() ASCII Ribbon Campaign | Against HTML e-mail
/\  | Against proprietary extensions

More information about the freebsd-questions mailing list