Besides the usual opendir(), readdir() and closedir() routine to read a directory's contents, you could also use glob(), but it's pretty slow. Opening a file for writing, like mentioned above, can be achieved with open().

opendir(DIR,"/somedir") || die $!;
@Files = readdir(DIR);
closedir(DIR);
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Greetz
Beatnik
. .. Quidquid perl dictum sit, altum viditur.