Adding string array in config file

John Riker

5y2.8k

I have an app that loops thru video files of various extensions and converts them. I had the list of extensions hard coded during testing:

string[] extensions = { ".mp4", ".mov", ".avi", ".mpg", ".wmv", ".mkv", ".m4v" };

That is used in my loop as:

foreach (string file in Directory.EnumerateFiles(rootfolder, "*.*", searchOption)
.Where(s => extensions.Any(ext => ext == Path.GetExtension(s))))

Works fine.

I tried adding it to my appname.config in several ways:

version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
startup>
<appSettings>
<add key="extensionstest" value="".mp4",".mov",".avi",".mpg",".wmv",".mkv",".m4v"" />
appSettings>
>

Tried the above with ampersand quote semicolon and without any quotes so with the period and the extension name but it doesn't seem to parse it on output. It may actually do the first one but not 100% sure.

Tried retrieving it in several fashions but latest was:

string[] extensions = ConfigurationManager.AppSettings["extensionstest"].Split(',');

Any help with the most efficient way to do this or do I need to hard code this and recompile if new extensions come up I need to handle?

Thanks.

4 Replies

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Ganesan C5y ago
Hi John,

Please modify you config file as,

and get the value as,
string[] extensions = ConfigurationManager.AppSettings["extensionstest"].Split(',');
Priyanka K S5y ago
Hi,

After split, I tried to add double quotes using for loop.
List<string> extensions = new List<string>();

extensions = ConfigurationManager.AppSettings["extensionstest"].Split(',').toList();

         for(i=0;i
            {
                extensions[i] = "\""+ extensions[i]+ "\"";
            }
John Riker5y ago
Haven't fully logged what it was doing however if I have two extensions in the folder only the first one in the list gets processed when I try to pull it from the config. Note I do put the period in there also. Maybe I don't need it but it works when directly in the code.
Sachin Singh5y ago
what do you mean by it is not working, it should work for sure.
"extension" value="val1, val2, val3"/>

access them as

  string[]  xyzValues = System.Configuration.ConfigurationManager.AppSettings["extension"].Split(",");