public void ChangeExtension()
{
var directory = ApplicationPaths.RootDirectory;
var fileInfo = new FileInfo(directory + "\\foo.bar");
CreateFoo();
if (File.Exists(directory + "\\foo.foo")) File.Delete(directory + "\\foo.foo");
Assert.IsTrue(fileInfo.Exists);
fileInfo = fileInfo.ChangeExtension("foo");
Assert.IsTrue(File.Exists(directory + "\\foo.foo"));
}
public void ChangeExtension()
{
// Type
var @this = new FileInfo(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Examples_System_IO_FileInfo_ChangeExtension.txt"));
var @thisNewFile = new FileInfo(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Examples_System_IO_FileInfo_ChangeExtension.cs"));
// Intialization
using (FileStream stream = @this.Create())
{
}
// Examples
string result = @this.ChangeExtension("cs");
// Unit Test
Assert.AreEqual(@thisNewFile.FullName, result);
}
private void Process(FileInfo file)
{
var input = string.IsNullOrWhiteSpace(Input)
? file.Extension.Substring(1)
: Input;
var destination = file.ChangeExtension(".{0}".FormatWith(Output));
switch (input.ToUpperInvariant())
{
case "CSV":
Process(new CsvDataSheet(file), destination);
break;
case "TSV":
Process(new TsvDataSheet(file), destination);
break;
default:
throw new FormatException("{0} is not a supported input data format.".FormatWith(input));
}
}