UNIX in a Nutshell: System V Edition

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The SCCS Utility
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delta [options] files

Incorporate changes (add a delta) to one or more SCCS files. delta is used to store changes made to a text file that was retrieved by get -e and then edited. delta normally removes the text file.



Ignore deltas whose SCCS IDs (version numbers) are specified in the comma-separated list. Use - to supply a range; e.g., 1.3,2.1-2.5.


Supply a list of modification request numbers as reasons for creating new deltas. -m is useful only when admin has set the v flag for file. If -m is omitted, the terminal displays MRs? as an input prompt.


Do not remove the edited file (extracted by get -e) after execution of delta.


Print a diff-style listing of delta changes to file.


Delta version number that identifies file. -r is needed only when more than one version of an SCCS file is being edited simultaneously.


Suppress printing of new SID and other delta information.


Insert string as a comment describing why the delta was made. If -y is omitted, the terminal displays comments? as an input prompt.

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