I have the following code:
private string[] FindExistingDocuments()
{
string supportedImageFormats = "jpg,pdf,doc,docx,xlsx";
DirectoryInfo documentPath = new DirectoryInfo("...");
string supportedFileTypes = String.Join(",*.", supportedImageFormats.Split(','));
string[] files = Directory.GetFiles(documentPath.FullName, supportedFileTypes, SearchOption.AllDirectories);
return files;
}
Which functions as a way of searching for a specific list of file types but the problem with the current code is that String.Join does not put the separator at the first item (which makes sense).
So my supportedFileTypes turns out to be:
jpg,*.pdf,*.doc,*.docx,*.xlsx
But I want it to be:
*.jpg,*.pdf,*.doc,*.docx,*.xlsx
Can I somehow make this in a pretty clean way?
Note: I cannot alter the contents of supportedImageFormats
string newStr = string.Join(",", supportedImageFormats.Split(',')
.Select(r => "*." + r));
Output: Console.WriteLine(newStr);
*.jpg,*.pdf,*.doc,*.docx,*.xlsx
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