Making solid progress - based off the very helpful info provided by forum members. 
Thus far (working well):
1. Capture text in lumps - per major print subroutine (8 off them) - write to txt. Some display/print depending on menu choices in the design.
2. SHELL - rm old files. SHELL cat file1.txt file2.txt >> file_summary.txt etc
To follow:
3. SHELL linux convert txt->ps
4. SHELL linux convert ps->pdf
5. Optional: Launch pdf readers
To follow in future:
6. Convert main number-crunching subroutines to headless subroutines.
7. Write: Input GUI -> headless subroutines -> output GUI
8. Launch multiple runs through headless subroutines -> the rank multiple outcomes based on equipment capital cost.
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Folks can follow progress on my Patreon site - it will be updated regularly
https://www.patreon.com/posts/modular-s-t-hx-82934523
Thus far (working well):
1. Capture text in lumps - per major print subroutine (8 off them) - write to txt. Some display/print depending on menu choices in the design.
2. SHELL - rm old files. SHELL cat file1.txt file2.txt >> file_summary.txt etc
To follow:
3. SHELL linux convert txt->ps
4. SHELL linux convert ps->pdf
5. Optional: Launch pdf readers
To follow in future:
6. Convert main number-crunching subroutines to headless subroutines.
7. Write: Input GUI -> headless subroutines -> output GUI
8. Launch multiple runs through headless subroutines -> the rank multiple outcomes based on equipment capital cost.
---
Folks can follow progress on my Patreon site - it will be updated regularly
https://www.patreon.com/posts/modular-s-t-hx-82934523