remove newlines from a file

b. f. bf1783 at
Tue Sep 1 18:57:57 UTC 2009

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?



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