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Postings from April 2010
From: "newbie01 perl" <newbie01.perl@gmail.com>
> Hi all,
>
> Am wanting to change my Perl scripts to get it to run on several UNIX
> flavours and Windows. At the moment, the only way I can think of how to
> accomplish that is always having the following checks on each and every
> sub
> that I have.
>
> Can anyone please suggest if there is a better way of doing this besides
> what am doing now? Am not sure whether creating a module for each OS to
> use
> is the solution although I don't know how to create a module anyway. I
> found
> one tutorial and get lost somewhere along the way on how to create a
> module
> ... :-)
>
>
> if ($^O eq 'MSWin32') {
> system "dir $ARGV[0]";
> }
...
Whenever it is possible it is recommended to use core functions or Perl
modules instead of external programs and commands.
If you want to read the list of files from a directory you can use
opendir(), readdir(), closedir() or glob().
Read the POD documentation for those functions using:
perldoc -f opendir
perldoc -f glob
...
Octavian
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