From: James Edward Gray II <james@...>
Date: 2009-09-24T08:06:05+09:00
Subject: Re: How do you limit the line length of the output commands? Where is pqueue library documented?

On Sep 23, 2009, at 4:59 PM, Mason Kelsey wrote:

> There must be an easy way to solve the problem of controlling the  
> length of
> the output line, forcing the rest into a line break.

There's not really a built-in tool for this, no.

> In the puts code
> example below, I want to break between every 10 methods or just go  
> to a new
> line after every 60 characters that get displayed so they don't run  
> off the
> screen.
>
> First Question: What is an easy way to modify the below puts code to  
> control
> line length without truncation?
>
> require "pqueue"
> pq=PQueue.new(proc{|x,y| x[0][0]<y[0][0]})
> puts pq.methods.join(', ')  # Displays the methods of PQueue Class

Try this:

require "pp"
pp pg.methods

> I've a tried puts, print, and p and they never do a word wrap or  
> such.  Is
> there a secret parameter for controlling the line length before word  
> wrap
> occurs in these commands?

The pp for "pretty print" library does account for things such as  
wrapping.

> Second question: The pqueue library is not documented in
> http://www.ruby-doc.org/stdlib/ <http://www.ruby-doc.org/>.  Is  
> there a
> reason for that?

The reason would be that it's not a standard library that ships with  
Ruby.  You must have grabbed it from somewhere, so that's where you  
should look for documentation.

Hope that helps.

James Edward Gray II