Tab Delimited Text File to Assign Tasks

Hello, 

I am looking to create a text file which can: 

1. Write to DAQ

2. Read to DAQ

3. Write to RS232 

4. Read RS232 

I'm looking for all 4 of these functions to be called top-down in any sequence as it is parsed. My idea was that a state machine can be used here, but it would require the data to be unbundled from the text file. Would anyone be able to illustrate a simple example of how this unbundle can be achieved with a tab delimited text file. 

Many Thanks