Re^2: local and global variable?

... my @species = split "//", $list;. The @species array will contain each letter of $list (a split on the null string ...

Splitting on "//" does not split on the null string, but rather on the literal sequence of two forward-slash characters.

 
>perl -wMstrict -le
"my $s = 'foo//bar//baz';
 my @species = split qq{//}, $s;
 printf qq{'$_' } for @species;
"
'foo' 'bar' 'baz'
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Re^3: local and global variable? by Marshall (Canon) on Aug 22, 2011 at 13:29 UTC
my booboo corrected above. Thanks for pointing this mistake out.	[reply]
Re^3: local and global variable? by Jim (Curate) on Aug 22, 2011 at 17:36 UTC
It was an accident waiting to happen. This is one reason I always make it clear in my code that the first argument of split is a regular expression pattern, not a string. `my @species = split m{//}, $list;` [download]	[reply] [d/l]