[ale] sed help

[Geoffrey]

Robert Coggins wrote:
> OK all I hate asking questions like this on here but here we go.
> 
> I have a series of files. In each of the files there are many lines that 
> only have ,,,,, on them.  For every line I find in these files I want to 
> bring the previous line, the ,,,,, line and the next line together.

What do you do if you have something line this:

21321asdf2d6f5
,,,,,
fdsdhfksd6df5+sdf
,,,,,
foobar

Or is this not possible in the data?

> 
> Example:
> 
> 21321asdf2d6f5
> ,,,,,
> fdsdhfksd6df5+sdf
> 
> seded to :
> 
> 
> 21321asdf2d6f5,,,,,fdsdhfksd6df5+sdf
> 
> Here is what I am trying but it is not working...
> sed "s/\n,,,,,\n/,,,,,/g
> 
> Thanks in advance for your help!
> 
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-- 
Until later, Geoffrey