Variable substitution: (delete leading zeros from file name)

Hi All,
I am configuring an IDOC to FILE (fcc scenario) with a requirement of using the IDOC number in the output file name. 
Using variable substitution, I manged to get the IDOC number from incoming Idoc-control record but it comes in its entitre length with a few leading zeroes like '00000001234'.
So my output file name looks like 'Output_000000001234.txt'  . I want it to be like 'Output_1234.txt'.
Is it possible to achieve it ?
Thanks
Shirin

Hi Shirin,
First supress the leading zeros of IDOC number by using the following code:
Create a user defined funciton zerosuppress and take the cache as value and take one argument input. Then put the code below:
//write your code here
String output = input.replaceFirst("^0+","");
return output;
Then use variable substitution for generating ur IDOC number in the out put file name.
Regards,
Vinod.

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