On 09/01/2009 03:03 PM, 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?

A simple solution could be using tr command

tr -d '\012' < file > output_file

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