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General Programming Concepts: Writing and Debugging Programs

SCCS Flag and Parameter Conventions

In most cases, SCCS commands accept two types of parameters:

flags Flags consist of a - (minus sign), followed by a lowercase character, which is sometimes followed by a value. Flags control how the command operates.
File or Directory These parameters specify the file or files with which the command operates. Using a directory name as an argument specifies all SCCS files in that directory.

File or directory names cannot begin with a - (minus sign). If you specify this sign by itself, the command reads standard input or keyboard input until it reaches an end-of-file character. This is useful when using pipes that allow processes to communicate.

Any flags specified for a command apply to all files on the command line and are processed before any other parameters to that command. Flag placement in the command line is not important. Other parameters are processed left to right. Some SCCS files contain flags that determine how certain commands operate on the file. See the admin command description of SCCS header flags for more information.

Related Information

Source Code Control System (SCCS) Overview (Chapter 23, Source Code Control System (SCCS))

Using the make Command with Source Code Control System (SCCS) Files

sccsfile file format

List of Additional SCCS Commands

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