aws cli で iam の group に紐づく user, policy を見る ref: http://qiita.com/motchang/items/aee024fad5e49ce872d1

file0.txt

#!/bin/bash

aws iam list-groups | jq '.Groups[].GroupName' | xargs -I{} echo {} | \
    while read g
    do
        echo ${g} "-------------------------------------------------------------";
        aws iam get-group --group-name ${g} | jq '(.Group | {GroupName, Arn}), (.Users[] | {UserName, Arn})'
        aws iam list-group-policies --group-name ${g} | jq '.PolicyNames[]' | xargs -I{} echo {} | \
            while read p
            do
                aws iam get-group-policy --group-name ${g} --policy-name ${p}
            done
    one

file1.rb

a = [1, 2, 3]
a.each do |n|
    echo p
end