From: David Alan Black <dblack@...>
Date: 2001-03-31T14:35:10+09:00
Subject: [ruby-talk:13376] Re: Passing an array to `exec'?

On Sat, 31 Mar 2001, David S. wrote:

> On Sat, Mar 31, 2001 at 01:40:04PM +0900, Lloyd Zusman wrote:
> > I'd like to do the following:
> >
> >   cmd = [ '/bin/ls', ARGV ]
> >   exec(cmd)
>
> Try
> 	exec(*cmd)


candle:~$ ruby -e 'cmd = ["/bin/ls", ARGV]; exec(*cmd)' /
-e:1:in `exec': wrong argument type Array (expected String) (TypeError)
        from -e:1


However:

candle:~$ ruby -e 'cmd = ["/bin/ls", ARGV]; exec(*cmd.flatten)' /
  => bin   cdrom  etc   [...]


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav