Run one Ruby snippet against the whole CSV input.

gem install dorian-csv-all

Also included in the aggregate gem:

gem install dorian

csv-all [options] [file ...] "ruby code"

Run csv-all -h for generated option details and csv-all -v for the installed version.

• Sets it to the parsed CSV rows. With --headers, rows are exposed as structs keyed by header name.

echo a,b,c | csv-all "puts it.first[1]"

Output:

b