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 >
I would do something like that: cat list-file | sed s/$/,/ | tr '\n' ' ' If you want to improve your bash skills you can read: http://www.tldp.org/LDP/Bash-Beginners-Guide/html/ It is really useful. -- Antonio
