Greetings all!
We are a COBOL software development company (now moving to Java) and we moved
to using a Red Hat Enterprise Linux server as our main machine at the beginning
of this
year. We did some trials before moving to Linux, to see if there were likely to
be any major
problems with using CSSC. We didn't find any.
We copied our 20 years of SCCS files to our new RHEL 4.4 server and started
using
CSSC in earnest. There were some minor differences between UNIX SCCS and CSSC,
but we use a wrapper script (called sccs) so didn't have any problems with
dealing with
these.
Our move to CSSC has been remarkably trouble-free. It is slightly more fussy
about file
layout, but we've only had to "fix" about a dozen files out of nearly 13,000.
We have been
using CSSC exclusively for nearly a year now.
File Problems
1. Our file problems stem from allowing our programmers to manually edit the
SCCS/s.<filename> file and then do "admin -z" on it (to recalculate the
checksum).
In two of our files we had an extra space before a date field on the "d" line,
for example:
^As 00034/00000/03110
^Ad D 35.2 03/08/07 13:36:08 keith 70 69
^Am 8447
^Ac Add Location Co-ordinate Fields
^Ae
This gave us a message like:
prs: /s/uniworks/SCCS/s.uwclblr.prt: line 465: Corrupted SCCS file.
(Invalid number)
It was easily fixed - edit the file to remove the space and do an "cssc admin
-z" on the
file. (I had renamed /usr/bin/sccs to /usr/bin/cssc to avoid conflicts with our
sccs script.)
2. We also found problems in about 8 of our files where our programmers had
manually
removed some simple intermediate revisions from the SCCS file, and had then run
"admin -z" to fix the checksum. SCCS handles this but CSSC doesn't. We fixed
this by
manually editing the file and creating phony auto null deltas.
Minor Differences
* prs -d":T" - no space between the "-d" and the parameters
* CSSC's rmdel allows a person to delete a revision made by another programmer
* CSSC's sccsdiff is better than SCCS at showing differences revisions
(doesn't show
bogus differences like SCCS does).
* CSSC's get command allows for editing (at the same time) of both the main
and a
branch. (We prevent this with our sccs wrapper script, so it doesn't affect
us.)
PRS Bug
One difference between GNU CSSC and AT&T SCCS is in what is displayed for the
command "sccs prs -l <s.file>". SCCS gives only the latest revision whereas
CSSC also
includes all the auto null delta revisions (if present) as well.
James, should I register this as a bug on SourceForge as well?
Regards,
Geoff Hull
Internal Support
McCarthy Associates
Hastings, New Zealand
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