On Sun, Mar 9, 2014 at 5:58 PM, Teoh khah swee <ks.teo...@gmail.com> wrote:
> HI all,
>
> I just come across an case statement for puppet. I would like to know what
> the means of the mx for below sample code?
>
> case $::operatingsystem {
> /(?-mx:AIX)/ :{
From:
http://perldoc.perl.org/perlre.html
(?adlupimsx-imsx)
(?^alupimsx)
One or more embedded pattern-match modifiers, to be turned on (or
turned off, if preceded by - ) for the remainder of the pattern or the
remainder of the enclosing pattern group (if any).
(?adluimsx-imsx:pattern)
m:
Treat string as multiple lines. That is, change "^" and "$" from
matching the start or end of line only at the left and right ends of
the string to matching them anywhere within the string.
x:
Extend your pattern's legibility by permitting whitespace and comments.
I would then say that puppet is looking for AIX without capturing it
and has turned off the m and x options for this pattern match.
-mz
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