I've been reading code complete, not far in yet but one of the things it talks about is PDL - a higher level design language, which you write each routine in before coding in the language of choice. I wondered if anyone actually did this in real life? Another thing it says is to leave each line of PDL in the code as comments. Surely t...
I have a perfectly good perl subroutine written as part of a perl module. Without going into too many details, it takes a string and a short list as arguments (often taken from terminal) and spits out a value (right now, always a floating point, but this may not always be the case.) Right now, the list portion of my argument takes two v...
Specifically, I want to use rcols with the PERLCOLS option. Here's what I want to do: my @array; getColumn(\@array, $file, 4); # get the fourth column from file I can do it if I use \@array, but for backward compatibility I'd prefer not to do this. Here's how I'd do it using an array-ref-ref: sub getColumn { my ($arefref, $f...
I am using pdl2 (the PDL shell) also as a my default Perl interactive shell (it loads all the nice plugins for Devel::REPL). But I am missing the x dumper-printing alias. p is nice for piddles but it does not work for a normal array ref or hash ref. I have loaded Data::Dumper but it lacks an easy way of controlling depth and I like the w...