Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: Robert Klemme <shortcutter@googlemail.com>
Newsgroups: comp.lang.ruby
Subject: Re: recompose strings of limited length
Date: Tue, 20 Dec 2016 19:16:52 +0100
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References: <slrno5g259.idu.michael.uplawski@drusus.uplawski.eu>
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In-Reply-To: <slrno5g259.idu.michael.uplawski@drusus.uplawski.eu>
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On 19.12.2016 17:19, Michael Uplawski wrote:

> What I *want to* do (nobody asks me): take a string of arbitrary
> length, or an array of such random strings and modify them in a way
> that, in the result, all strings are split up into chunks of a maximum
> string-length.

max_len =3D 10
strings =3D str.scan /.{1,#{max_len}}/

> -----------
> me@here:/tmp$ ./test.rb "Ein K=C3=B6nig mit Krone ist besser als ohne" =
15
> Ein K=C3=B6nig mit
> Krone ist
> besser als
> ohne
> -----------

You never mentioned that you want word splitting.

irb(main):011:0> str =3D "Ein K=C3=B6nig mit Krone ist besser als ohne"
=3D> "Ein K=C3=B6nig mit Krone ist besser als ohne"
irb(main):015:0> str.scan %r{\S.{0,#{max_len - 1}}(?!\S)}
=3D> ["Ein K=C3=B6nig mit", "Krone ist", "besser als ohne"]

It seems your last two strings should be one.

Cheers

	robert

--=20
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/