From: Robert Klemme <shortcutter@...>
Date: 2011-05-25T00:23:17+09:00
Subject: Re: Using sprintf() to print a Hash

On Tue, May 24, 2011 at 1:59 PM, Iñaki Baz Castillo <ibc@aliax.net> wrote:
> 2011/5/24 Iñaki Baz Castillo <ibc@aliax.net>:
>> I've got the following output by using sprintf("%20s %20s",
>> "#{key.to_s}:", value.to_s):
>>
>> ------------------------------------
>>        listen_ip:       1.2.3.4
>>     listen_port:              90
>>         use_tls:            true
>>  compression:           false
>> ------------------------------------
>>
>> but it's not exactly what I need.
>
> Got it!:
>
> sprintf("  %-20s %20s", "#{key.to_s}:", value.to_s)

That's overly complicated: you employ two text replacement mechanisms.  Just do

printf("  %-20s: %20s\n", key, value)

Cheers

robert

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