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' ' '