Just compare the three ways of doing it (from your code):
$hotfix=join "", "$app", "_", "$mod", "_", "$bld", "_", "$hf", ".zip";
$hotfix = "${app}_${mod}_${bld}_${hf}.zip";
$hotfix = join("_", $app, $mod, $bld, $hf) . ".zip";
I prefer the last way, myself -- it's cleaner and the least noisy from a visual point of view.
Alex / talexb / Toronto
"Groklaw is the open-source mentality applied to legal research" ~ Linus Torvalds
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