It substitute format&prefix&suffix with format&chomp
--format
now accepts an slice of Name&Address struct with the possibility to use prefixes or suffixes if desired.--chomp
deletes trailing characters defined by user
Now it's possible to do something like this (it will remove trailing ',' character):
infra-helper list-autoscale-members --name whatever-asg --format "{{range .}}{{.Name}}={{.Address}},{{end}}" --chomp ","