The proper way to open()

Paul Johnson paul at
Wed Feb 1 14:36:10 GMT 2012

On Wed, Feb 01, 2012 at 01:34:05PM +0000, Smylers wrote:

> Until I started using Perl I'd only ever seen an OR operator (however
> spelt) used for combining boolean expressions, such as:
>   if (!$awoke || $booted > $awoke)
> The concept of 'or if that command failed, here's what to do instead'
> was new to me. I liked it, and that there was an operator for it.

This concept will be familiar to shell programmers.  I wonder whether it
is older than that though.  Does anyone have any earlier examples?

Paul Johnson - paul at

More information about the mailing list