One minor problem with the above code.. The opendir command
is done relative to the current directory. If you were
to opendir('dir1'), you would be looking in pwd/dir1. If
you then found a directory inside of dir1 named dir2, an
opendir('dir2') would look for pwd/dir2, which is not the
desired result. To get the recursion right, the
recurse_dir would have to look something like
sub recurse_dir {
my $dir = shift();
opendir D, $dir;
while (readdir D) {
process_file ($dir/$_) if -f $dir/$_;
recurse_dir ($dir/$_) if -d _;
}
closedir D;
}
Either that, or the recurse_dir function could chdir in to
each directory and chdir .. after the while loop.
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