Beefy Boxes and Bandwidth Generously Provided by pair Networks
P is for Practical

Re: A "strange" behaviour, at least to me :)

by Kenosis (Priest)
on Apr 13, 2013 at 17:35 UTC ( #1028539=note: print w/replies, xml ) Need Help??

in reply to A "strange" behaviour, at least to me :)

It's evident that you're encountering a Perl parsing issue which can be addressed by changing:

@values = sort arraynosort( Values => \@orig_values );

to this

@values = sort ( arraynosort( Values => \@orig_values ) );

Using B::Deparse, we can see how Perl parses your original line using my:

perl -MO=Deparse -p -e 'my @values = arraynosort( Values => \@orig_val +ues );'

Partial output:

my(@values) = arraynosort('Values', \@orig_values);

Now with the sort:

perl -MO=Deparse -p -e '@values = sort arraynosort( Values => \@orig_v +alues );'

Partial output:

@values = (sort arraynosort 'Values', \@orig_values);

Note that Perl is not 'seeing' the clustering represented by parentheses, and this produces the issue your encountering. However, if you group using parentheses, Perl 'sees' it the way you likely expected it to work:

perl -MO=Deparse -p -e '@values = sort ( arraynosort( Values => \@orig +_values ) );'

Partial Output:

@values = sort(arraynosort('Values', \@orig_values));

Hope this helps!

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1028539]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others pondering the Monastery: (4)
As of 2016-10-24 04:11 GMT
Find Nodes?
    Voting Booth?
    How many different varieties (color, size, etc) of socks do you have in your sock drawer?

    Results (302 votes). Check out past polls.