"Joseph L. Casale" JCasale@activenetwerx.com wrote:

...

What's the simplest way to increment the number 0000 up by one until some other 4 digit number while preserving leading zero's until the 1000's has a digit other than 0? <<

Easy:

$ seq -f %04g 0000 9999

Best,

--- Les Bell, RHCE, CISSP [http://www.lesbell.com.au] Tel: +61 2 9451 1144 FreeWorldDialup: 800909