>>>>> "Gary" == Gary Stainburn <[EMAIL PROTECTED]> writes:
>> my @names = @ARGV ? @ARGV : grep { -f and -B } <*>;
Gary> I read this to say, if filenames passed use them otherwise do the whole of
Gary> the current directory. I believe that the grep takes the list provided by
Gary> <*> performs the -f and -B filters on the list and assigns the result to
Gary> @names. Am I correct, and what does the -f and -B do?
Yes. It says "is the name both a file and a binary-content file?".
>> undef @$im;
Gary> This one confused me. I'm assuming that it's resetting the variables used by
Gary> the object $im, while keeping the object intact. If this is correct, is this
Gary> something specific to Image::Magick, or can a similar method work with most
Gary> objects?
No, this is specific to I::M. I wonder why it's necessary. In fact,
I wonder why *most* things in the clunky interface of I::M are
necessary. :)
Gary> If $im->Read fails, it assigns an error value to $ret, which in turn returns
Gary> true. Only if the assignment is true, will the second half of the 'and'
Gary> execute giving the warning and skipping
Bingo!
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