[ABE.pm] searching the archives

[Hans Dieter Pearcey]

On Wed, Aug 13, 2008 at 03:25:50PM -0400, Ricardo SIGNES wrote:
> > I want to look up the reason Rick gave for using the new style open()
> > command
> > 
> >     open my $fh, '>', $filename;
> > 
> > as opposed to the old style
> > 
> >     open(FH, ">$filename");
> 
> For one thing, having a string that contains multiple args is awful.  It's like
> if you had to say:
> 
>   $sum = add_up("1:2:3:10"); # returns 16
> 
> More importantly, though, the old style creates a global filehandle.  Globals
> are evil.

Well, there are two things there.  You can have 2-arg open and a lexical or
3-arg and a global.  Both 2-arg open and global filehandles are bad.

2-arg open is especially scary when opening a pipe.

hdp.