GUIfying and Documenting your Shell Script

Source: adass.org
Topic: Shell Programming

Short Desciption:
plications and are meant to achieve a higher level of programming. ... shell script itself (or any application of choice with a specified CLI) can be ...

 

Content Inside:
GUIfying and Documenting your Shell ScriptPage 1Astronomical Data Analysis Software and Systems VIIASP Conference Series Vol. 145 1998R. Albrecht R. N. Hook and H. A. Bushouse e Copyright 1998 Astronomical Society of the Pacific. All rights reserved.ds.GUIfying and Documenting your Shell ScriptPeter. J. Teuben1Astronomy Department University of Maryland College Park MD20742 Email: teuben@astro.umd.eduAbstract.We describe a simple method to annotate shell scripts and have apreprocessor extract a set of variables present them to the user in aGUI (using Tcl/Tk) with context sensitive help and run the script. Itthen becomes also very easy to rerun the script with different values ofthe parameters and accumulate output of different runs in a set of userdefined areas on the screen thereby generating a very powerful surveyand analysis tool.1. IntroductionScripting languages have often been considered the glue between individual applications and are meant to achieve a higher level of programming.When individual applications are (tightly) integrated into the scripting language this offers very powerful scripts fully graphical user interfaces and aresult sometimes indistinguishable from applications. A recent example of thisis the glish shell in AIPS++ (Shannon 1996). But of course the drawback of thistight integration is that applications are not always easily accessible to scriptsthat do not (or cannot) make use of the environment the scripting language wasmeant for.Apart from the black art of handcoding one of the traditional methodsto add a GUI to an application is using automatic GUI builders. This hasthe advantage that application code and user interaction code are more cleanlyseparated but this sometimes also limits the flexibility with which the code canbe written.This paper presents a simple implementation where the style of the underlying application is batch oriented and in fact can be written in any language.The user interface must be cleanly defined in a set of ...

 

 

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