From: "M. Edward (Ed) Borasky" <znmeb@...>
Date: 2007-07-15T11:44:22+09:00
Subject: Re: Calling a Perl script from Ruby

Dave Coleman wrote:
> Tim Hunter wrote:
>> Check out the system() method.
> looks like system only returns true or false if the system call executes 
> successfully. What if you want to evaluate what's returned from that 
> perl script?
> 
IIRC "system" returns the (implementation-dependent) numerical return
code of the call, where by tradition "0" is success and non-zero is an
application-dependent error number. If Ruby is returning "true" on
success and "false" on failure, that's different from what many
environments do.