File-File - Need to extract data from source file name???

Question

Hello Experts,
I have a unique situation. In my file to file scenario, the source file name is of the format XYZ_yymmddHHMM.dat. there is field in the target file which has to filled with the date that is there in the file name of the source file (yymmdd). How can this be achieved? Normally we do the other way round using vaiable substitution where we can name a file depending on the value in any of the target field structure.
Please help.
Regards,
Yash

Answer 1

Hi,
  please prepare the udf with the following code.
  i mean, dynamic configuration concept.
  where u get the file name, then use substring function to capture date from right side.
   //write your code here
// getFileName User Defined Function
// function to create name of output file
String filename;
filename = strFile;
try {
// initialize DynamicConfiguration for create file with given name
DynamicConfiguration conf = (DynamicConfiguration) container
.getTransformationParameters()
.get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
DynamicConfigurationKey key = DynamicConfigurationKey.create( "http://sap.com/xi/XI/System/File", "FileName");
//create file with the specified name
conf.put(key, filename);
} catch (Exception ex) {
return filename;
warm regards
mahesh.