🥇 ler arquivos yaml em bash

function yaml() {
    hashdot=$(gem list hash_dot);
    if ! [ "$hashdot" != "" ]; then sudo gem install "hash_dot" ; fi
    if [ -f $1 ];then
        cmd=" Hash.use_dot_syntax = true; hash = YAML.load(File.read('$1'));";
        if [ "$2" != "" ] ;then 
            cmd="$cmd puts hash.$2;"
        else
            cmd="$cmd puts hash;"
        fi
        ruby  -r yaml -r hash_dot <<< $cmd;
    fi
}

conteúdo samle yaml

mykey:
    myotherkey: test

Como usar

$ config=$(yaml config.yml mykey.myotherkey)

resultado

$ echo $config
$ test

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