File.Extension

property · File · cAlgo.API Since 5.7

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Gets the extension part of the file name, including the leading dot '.' even if it is the entire file name, or an empty string if no extension is present.

Definition

C#Python

string Extension {get;}

file.Extension: str

Returns string

Examples

C#Pythonconfig.json

protected override void OnStart()
{
    if (DataFile.Extension != ".csv")
        Print("Expected a CSV file but got {0}", DataFile.Extension);
}

if api.DataFile.Extension != ".csv":
    api.Print(f"Expected a CSV file but got {api.DataFile.Extension}")

{
  "Parameters": [
    {
      "Name": "DataFile",
      "DisplayName": "Data File",
      "Type": "File"
    }
  ]
}