36. Miscellany (Revision #7)

.Nobody really knows what the Bourne shell's grammar is. Even examination of the source code is little help.
-Tom Duff

Table of Contents

36.1. Interactive and non-interactive shells and scripts
36.2. Shell Wrappers
36.3. Tests and Comparisons: Alternatives
36.4. Recursion: a script calling itself
36.5. "Colorizing" Scripts
36.6. Optimizations
36.7. Assorted Tips

    36.7.1. Ideas for more powerful scripts
    36.7.2. Widgets

36.8. Security Issues

    36.8.1. Infected Shell Scripts
    36.8.2. Hiding Shell Script Source
    36.8.3. Writing Secure Shell Scripts

36.9. Portability Issues
36.10. Shell Scripting Under Windows