10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am having some problem while creating a new sccs file. During initial creation of the file the SCCS is not storing the file in actual format with the result that the SCCS file is different from my original file. (1 Reply)
Discussion started by: Allgemeine12
1 Replies
2. Shell Programming and Scripting
Hi,
get -ek s.Communicator.java The difference between the current date and the creation date of
the newest delta in the SCCS file is greater than 1 year.
Make sure that the system date is set correctly.
This message is only a warning. (co11)
14.3
... (0 Replies)
Discussion started by: Shivaprasad BS
0 Replies
3. HP-UX
I have created a SCCS directory with version 1.1. It has say A.txt (for simplicity)
Now updated files are present in other directory. If I copy A.txt it wont be effected in SCCS. How do I make this A.text to be version 1.2??
Please help! (3 Replies)
Discussion started by: superprogrammer
3 Replies
4. UNIX for Dummies Questions & Answers
I am trying to use SCCS for project development . Can any one list out the basic setup nneded to be done for SCCS .
I mean if I create a SCCS directory what all files to create on this .
i don't have a root password of the system and I am not going to get one .
I saw few post on this forum... (1 Reply)
Discussion started by: akrathi
1 Replies
5. UNIX for Advanced & Expert Users
I am not really sure whether i am posting this question in the right forum.....Can someone tell me why I should go for a rational Clearcase version controller when I can use the version controllers 'rcs' or 'sccs' available in UNIX. I want to know the advantage of Rational over these two. Also, I... (2 Replies)
Discussion started by: Abhishek Ghose
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6. Solaris
Hi
Can i know what are the default Source code control system used by hp-ux 9.x,10.x and Solaris9
Regards
Charles C. (1 Reply)
Discussion started by: charlcy
1 Replies
7. UNIX for Dummies Questions & Answers
Hi All,
I am just wondering if you could help me with this.
Suppose I have a file in SCCS a particular user updates the files aand puts back in sccs . when doing so it proments the user to enter the comment.
Basically what I'd expect is the user to enter the changes he or she has made ....... (3 Replies)
Discussion started by: rooh
3 Replies
8. UNIX for Dummies Questions & Answers
Hi ,
I am currently using Source Code Control System (SCCS) to keep track of my documents.
There are several User that update the document.
As we all know that after editing it prompts for the comment.
But even if somebody just hits return it accepts it.
I would like that after the... (1 Reply)
Discussion started by: rooh
1 Replies
9. UNIX for Dummies Questions & Answers
Hello,
I'm wondering if anyone out there have experience using the SCCS source code in Unix? If so, can you recommend a good (user friendly) SCCS book for beginner users.
Thanks! (3 Replies)
Discussion started by: Mary
3 Replies
10. Shell Programming and Scripting
I am having some problem while creating a new sccs file. During initial creation of the file the SCCS is not storing the file in actual format with the result that the SCCS file is different from my original file.
Any way to avoid this??
Nitin (1 Reply)
Discussion started by: nitinmalik
1 Replies
compact(1) General Commands Manual compact(1)
NAME
compact, uncompact, ccat - compact and uncompact files, and cat them
SYNOPSIS
[sfile] ...
[cfile] ...
[cfile] ...
DESCRIPTION
compresses the named files using an adaptive Huffman code. If no file names are given, standard input is compacted and sent to the stan-
dard output. operates as an on-line algorithm. Each time a byte is read, it is encoded immediately according to the current prefix code.
This code is an optimal Huffman code for the set of frequencies seen so far. It is unnecessary to attach a decoding tree in front of the
compressed file because the encoder and the decoder start in the same state and stay synchronized. Furthermore, and can operate as fil-
ters. In particular,
operates as a (very slow) no-op.
When an argument file is given, it is compacted, the resulting file is placed in and file is unlinked. The first two bytes of the com-
pacted file code the fact that the file is compacted. These bytes are used to prohibit recompaction.
The amount of compression to be expected depends on the type of file being compressed. Typical file size reduction (in percent) through
compression are: Text, 38%; Pascal Source, 43%; C Source, 36%; and Binary, 19%.
restores the original file from a file compressed by If no file names are specified, standard input is uncompacted and sent to the standard
output.
writes the specified c_file, compressed by to standard output, without uncompressing the file.
Operands
The commands recognize the following operands:
cfile Compacted file.
sfile Source file to compact or uncompact. If no file names are given, the commands use standard input and sent to the standard
output. places the compacted file in
Access Control Lists (ACLs)
On systems that implement access control lists, when a new file is created with the effective user and group ID of the caller, the original
file's ACL is copied to the new file after being altered to reflect any change in ownership (see acl(5) and aclv(5)). In JFS file systems,
files created by or do not inherit their parent directory's default ACL entries (if any), but instead retain their original ACLs. When a
file being compacted or uncompacted resides on a JFS file system, and the compacted or uncompacted file resides on an HFS file system (or
vice versa), as the result of or the use of or as a filter, optional ACL entries are lost.
WARNINGS
On short-file-name systems, the last segment of the file name must contain 12 or fewer characters to allow space for the appended
DEPENDENCIES
NFS
Access control list entries of networked files are summarized (as returned in by but not copied to the new file (see stat(2)).
AUTHOR
was developed by Colin L. Mc Master.
FILES
compacted file created by compact, removed by uncompact
SEE ALSO
compress(1), pack(1), acl(5), aclv(5).
Gallager, Robert G., "Variations on a Theme of Huffman," vol. IT-24, no. 6, November 1978, pp. 668 - 674.
compact(1)
