How to add multiple file extensions to the Files: input field in the Foreach loop container SSIS

问题

How could I add multiple file extensions to the Files: input field in the Foreach loop container in SSIS 2008.

I have currently entered as *.zip OR .csv see image... but it doesn not work only works if I have one value like *.zip

回答1:

I don't think you can specify two file type extensions in a For each Loop container , you should use *.* and you can filter for a specific extensions by using the following steps:

add a Variable of type boolean (ex: User::Flag)
add a script task inside the container and mark Filename variable as Readonly , Flag variable as ReadWrite

Inside the script write the following script

Public Sub Main()

    Dim strFile As String = Dts.Variables.Item("Filename").Value.ToString

    Select Case IO.Path.GetExtension(strFile).ToLower
        Case ".csv", ".zip"
            Dts.Variables.Item("Flag").Value = True


        Case Else
            Dts.Variables.Item("Flag").Value = False
    End Select


    Dts.TaskResult = ScriptResults.Success
End Sub

Add an expression to the Script task output connector like shown below

Or you can achieve it by using a Third-party components like Foreach File Enumerator with regex

回答2:

Step 1) Create a variable which store the file name with the extension.
Step 2) Under the foreach loop container Map the variable which we created in step 1.
Step 3) create a execute sql task inside the foreach loop container, add connection and under sql statement enter the code insert into tablename(filename) values (?).
Step 4) Under parameter mapping select the variable which we created under variable name, changed the data type to nvarchar and changed parameter to 0.
Step 5) With the help of string function then you can create an expression with the help of string function like right

来源：https://stackoverflow.com/questions/43195171/how-to-add-multiple-file-extensions-to-the-files-input-field-in-the-foreach-loo

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