From: Eric Christopherson <echristopherson@...>
Date: 2010-04-03T04:41:57+09:00
Subject: Re: Puts - not putting 'all' content on display console

On Fri, Apr 2, 2010 at 8:43 AM, Dave Balmer <dave@dyad.ca> wrote:
> I am using Ruby 1.86 to process a 7,000+ record file and using Regular
> Expressions to select and process content.  To ensure that the Regexp
> are working correctly, I have been using “puts” to direct selected
> records to the console for examination.  On examining the console output
> from the “puts” command I don’t seem to get all of the records being
> selected through the Regexp.  My question is this: in using a simple
> ‘puts’ command, is there some argument that must be added to get every
> selected record to be displayed on the console output?  And since I can
> associate each record in the 7,000+ file with a record count number, is
> there any reason to believe that the output to the console would not
> appear in the same sequence as the record numbers being encountered?

puts is buffered. Try calling $stdout.flush.