Use Argument::varValueCount
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@ -33,7 +33,7 @@ int main(int argc, char *argv[])
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Argument noConfirmArg("no-confirm", 'n', "start downloading without confirmation");
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noConfirmArg.setCombinable(true);
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Argument urlsArg("urls", 'u', "specifies the URLs to download");
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urlsArg.setRequiredValueCount(-1);
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urlsArg.setRequiredValueCount(Argument::varValueCount);
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urlsArg.setValueNames({ "URL1", "URL2", "URL3" });
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urlsArg.setImplicit(true);
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Argument downloadArg("download", 'd', "downloads the specified data");
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