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Name of Solution:

Dynamic FileList generation with Wild Card option

Business Requirement:

A mapping example that demonstrates generating FileList dynamically with wildcard

character options.

Solution URL:

https://community.informatica.com/solutions/2252

Supported Versions:

PowerCenter 9.1 and 9.5

Description:

PowerCenter provides FileList option that allows users to process multiple flat files. A

FileList file contains list of multiple flat files that will eventually be processed by session.

However, FileList file continues to remain static.

But it is possible to generate FileList file dynamically and programmatically. The mapping

example given here demonstrates the same.

The mapping sample given here uses Wild Card characters to build the FileList file. For

example, you may want to process all the files starting with the word Customer*. The

session uses a batch file to generate the File List file that contains names of source files

having certain pattern. The same can be achieved in UNIX with the help of a Shell Script

file.

Download file contents:

1. Workflow

2. Source File

3. Target Files

4. Script (Batch File)

Steps to implement the solution:

1. Place source file in $PMSourceFileDir folder. Place batch file from the script folder

into $PMRootDir\..\Bin folder. Observe the content of the batch file as shown

below.

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2. Import workflow using the Repository Manager. Select the appropriate folder from

the repository and resolve the conflicts by choosing suitable option.

3. Open the workflow in Workflow Manager. Assign the integration service in Workflow -

> Edit -> Integration Service.

4. Edit session and assign valid connection object for the source and target.

5. For more details of importing object please visit our YouTube link.

6. In the WorkFlow Manager, observe the mapping tab of session properties as shown

below.

7. Observe the Pre-Session Command from the components tab of session properties as

shown below. Batch file gets executed before before execution of a session and

creates the source file which is an indirect source to session.

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8. Execute the workflow and observe the target files. Observe that get_files.txt has

been created at $PMSourceFileDir folder. Observe the content of the source file as

well as the target file.

YouTube Video on Importing and Configuring Workflows:

http://www.youtube.com/playlist?list=PLLRreK2jjjgWBQ4NPfp0QWTxYDvlnEqSJ

Other Useful links:

Mapping Bundles

Workflow Bundles

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Debugging Tools Bundles

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