c# Parallel foreach with Lambda Expression to filter files

Question

Parallel.ForEach(Directory.GetFiles(@"c:\DataArchiver\KYEC\", "*.stdf.gz", SearchOption.TopDirectoryOnly)
                .Select(x => new FileInfo(x)).Where(x.length > 100000)
                ,file =>
            {
                Console.WriteLine(file);
            });

I am having an error: Error 2 'System.Collections.Generic.IEnumerable' does not contain a definition for 'Where' and the best extension method overload 'System.Linq.Enumerable.Where(System.Collections.Generic.IEnumerable, System.Func)' has some invalid arguments C:\MteProjects\ThreadPool\ThreadPool\Program.cs 70 21 ThreadPool

After adding .where(x.length > 100kb) i

Peyman · Accepted Answer · 2015-03-09 04:20:27Z

1

You missed x=> in where clause:

Parallel.ForEach(Directory.GetFiles(@"c:\DataArchiver\KYEC\", "*.stdf.gz", SearchOption.TopDirectoryOnly)
                .Select(x => new FileInfo(x)).Where(x => x.length > 100000)
                ,file =>
            {
                Console.WriteLine(file);
            });

answered Mar 9, 2015 at 4:20

Peyman

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