sccsfile man page on Tru64

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sccsfile(4)							   sccsfile(4)

NAME
       sccsfile - Contains Source Code Control System (SCCS) information

SYNOPSIS
       sccsfile

DESCRIPTION
       The  sccsfile  file  is	a  text	 file consisting of six logical parts:
       checksum, delta table, user names, flags, comments, and body.

       Note that there are lines throughout an SCCS file that begin  with  the
       ASCII  SOH (start of heading) character (octal 001).  This character is
       called the control character and is represented graphically as an @ (at
       sign) in the following text.

   Checksum
       The  checksum  is  the  first  line  of an SCCS file.  The value of the
       checksum is the sum of all characters, except those of the first line.

       The format of the line is @hDDDDD.

       DDDDD is the serial number corresponding to the delta for  the  control
       line  (a	 5-digit  string  from 00000 to 99999).	 @h designates a magic
       number of 064001 octal (or 0x6801).

   Delta Table
       The delta table provides information about each delta  including	 type,
       SCCS identification (SID), date and time of creation, and comments.

       The  delta  table  consists of a variable number of entries such as the
       following:  Contains  the  number  of  lines  inserted  or  deleted  or
       unchanged, respectively.	 where: type is the type of delta, with D des‐
       ignating a normal delta and R designating a removed delta.  SID is  the
       SCCS  identification  of	 the delta.  yy/mm/dd hh:mm:ss is the date and
       time the delta was created. If yy is 69 to 99, the year is  interpreted
       as  being  in the twentieth century, i.e.  19yy. Otherwise, the year is
       interpreted as being in the twenty-first century, i.e. 20yy.   user  is
       the username that corresponds to the real user ID at the time the delta
       was created.  DDDDD is the serial number of the delta and its predeces‐
       sor, respectively.  Contains the serial numbers of the deltas included.
       This line is optional.  Contains the serial numbers of deltas excluded.
       This  line  is  optional.   Contains  the  serial numbers of the deltas
       ignored. This line is optional.	Contains a modification	 request  (MR)
       number  associated  with the delta, one MR number per line. These lines
       are optional.  Contains comment lines associated with the delta.	  Ends
       the delta table entry.

   User Names
       The  user  names section contains user names and numerical group IDs of
       users who are allowed to add or remove deltas from the SCCS file, sepa‐
       rated  by  newline  characters. The bracketing lines @u and @U surround
       the lines containing the list.  An empty list allows any user to make a
       delta.

   Flags
       The flags section contains definitions of internal keywords.

   Comments
       The  comments  section contains descriptive information about the file.
       Typically, this section contains a description of the  purpose  of  the
       file.   Bracketing  lines @t and @T surrounding text designate the Com‐
       ments section.

   Body
       The body contains the actual text lines, intermixed with control lines.
       Control lines begin with a control character, text lines do not.	 There
       are three kinds of control lines:  insert, delete, and end, represented
       by: @I DDDDD

       @D DDDDD

       @E DDDDD

       The  digit  string  is the serial number corresponding to the delta for
       the control line.

   Keywords
       Keywords are used internally in the system.  For more information about
       their use, see the admin(1) reference page.  The format of each line is
       as follows: @f <character> <optional text>

       The following keywords are defined: <type of  program>  <program	 name>
       <module	name>  <floor>	<ceiling>  <default SID> <lock releases> <user
       defined>

       The characters are used as follows: Allows the use of the  -b  flag  on
       the get command to cause a branch in the delta tree.  Defines the high‐
       est release number, less than or equal to 9999, that can	 be  retrieved
       by a get command for editing. This release number is called the ceiling
       release number.	Defines the default SID to be used  when  one  is  not
       specified  with	a  get	command.   Defines  the	 lowest release number
       between 0 and 9999, that can be retrieved by a get command for editing.
       This  release  number is called the floor release number.  Controls the
       error warning message No	 ID  keywords.	When  this  character  is  not
       present,	 this  message	is  only  a  warning.	When this character is
       present, the file is not used and the delta is not  made.   Causes  the
       get  command to allow concurrent edits of the same base SID.  Defines a
       list of releases that cannot be edited with  get	 using	the  -e	 flag.
       Defines the first choice for the replacement text of the %@M% identifi‐
       cation keyword.	Causes the  delta  command  to	insert	a  delta  that
       applies	no  changes  for those skipped releases when a delta for a new
       release is made.	 For example, delta 5.1 is made after delta 2.1, skip‐
       ping  releases  3  and  4.   When  this character is omitted, it causes
       skipped releases to be completely empty.	 Defines the  replacement  for
       the  %Q%	 identification	 keyword.  Defines the replacement for the %Y%
       identification keyword.	Controls prompting for MR numbers in  addition
       to  comments.   If  optional  text  is present, it defines an MR number
       validity checking program.

SEE ALSO
       Commands:  admin(1),  cdc(1),  comb(1),	 delta(1),   get(1),   prs(1),
       rmdel(1), sact(1), sccsdiff(1), sccshelp(1), unget(1), val(1), what(1)

								   sccsfile(4)
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