On 07/03/2014 02:02 AM, Assaf Gordon wrote: > if the user has to type them explicitly, then seq is no better > than "printf '%s\n' " followed by all the letters typed by the user...
The user could let the shell produce the input:
$ printf "%c" {a..z} | seq -s ' ' --alpha=- 2 2 6
b d f
thus picking the Nth character from the input. ;-)
Have a nice day,
Berny
