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Re: List words separated by comma and without duplicates




On Sun, 2018-04-29 at 19:43 +0200, Rodolfo Medina wrote:
> Hi all.
> 
> Suppose I have a file made by a list of names and surnames, e.g.:
> 
> Arvo Part
> Harold Pinter
> Lucio Battisti
> Antonio Amurri
> Eduardo De Filippo
> Eduardo De Filippo
> 
> and that I want them listed all on one line, separated by a comma and without
> duplicates, i.e.:
> 
> Arvo Part, Harold Pinter, Lucio Battisti, Antonio Amurri, Eduardo De Filippo
> 
> How can I do that with proper Unix commands?
> 
> Thanks for any help.
> 
> Rodolfo
> 

Sorry, forgot uniq...

cat list-file | uniq | sed s/$/,/ | tr '\n' ' '