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Summary

This chapter provides an overview of how to process tabular data with standard tools and Glish capabilities.

The major modules and tools that are required are:

• Glish - as the command line processor, for reading and writing files, and for various processing operations.

• Table tool - is for reading, writing, accessing and browsing tables. Conversions can be made to and from ascii formats, and from FITS binary tables. The Table tool supports selections and queries using the Table Query Language (TaQL).

• Pgplotter tool - is used to plot data using an interface to the PGPLOT graphics package.

• Measures & Quanta tools - are useful for various conversions.

• mathematics module - has various tools for mathematical operations such as statistics, fitting, fourier transforms, etc.

The User Reference Manual contains the primary documentation for all these tools and their functions. The aim of this document is to provide pointers to the relevant chapters and examples.