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one liner para ver el precio del dólar paralelo :(
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| perl -MLWP::Simple -MJSON -e '$ref = JSON->new->utf8(0)->decode(get("https://s3.amazonaws.com/dolartoday/data.json")); print $ref->{'USD'}{'transferencia'}. "\n";' |
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| # dolar transferencia | |
| curl -s 'https://s3.amazonaws.com/dolartoday/data.json' | python -c "import sys, json; print(json.load(sys.stdin)['USD']['transferencia'])" |
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