Shell Programming...
Just Enough to Write CGI Programs. . .
The Unix Shell
(Unix) Shell programs are an effective way to 'batch' common routines. In
their simplest form:
- a file is created with the desired commands,
executed
- Specification of the type (format)
of the
output
- The code that does the actual work which may include:
- Retrieving System
Variables s uch as a UserID
- Retrieving and Formatting Text such as a list of files
- Formatting and Output of Data