Select columns from CSV input.

gem install dorian-csv-pluck

Also included in the aggregate gem:

gem install dorian

csv-pluck [options] key [key ...] [file ...]

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

• Keys can be zero-based column indexes or header names. --print-headers/-p includes a generated header row.

echo a,b,c | csv-pluck 1

Output:

b

printf 'id,name\n1,Dorian\n' | csv-pluck name