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Hi Tony, I tried cvs -q diff combination(cvs -q diff -R -N -r HCVW_R_4_6_5_0) but the output from diff is not suppressed(I mean the changes from files). But the command cvs diff --brief -R -N -r HCVW_R_4_6_5_0 did what I want. Thank you for your quick answer. Cheers, Liviu > Tony Hoyle wrote: > >> There is no 'diff -q' in CVS. >> >> > FYI - from the source: > > -------------------------------- > > In the case of -z and -q, "cvs diff" did not accept them even back > when we called rcsdiff (at least, it hasn't accepted them > recently). > > In comparing rcsdiff to the new CVS implementation, I noticed that > the following rcsdiff flags are not handled by CVS diff: > > -y: perform diff even when the requested revisions are the > same revision number > -q: run quietly > -T: preserve modification time on the RCS file > -z: specify timezone for use in file labels > > I think these are not really relevant. -y is undocumented even in > RCS 5.7, and seems like a minor change at best. According to RCS > documentation, -T only applies when a RCS file has been modified > because of lock changes; doesn't CVS sidestep RCS's entire lock > structure? -z seems to be unsupported by CVS diff, and has a > different meaning as a global option anyway. (Adding it could be > a feature, but if it is left out for now, it should not break > anything.) For the purposes of producing output, CVS diff appears > mostly to ignore -q. Maybe this should be fixed, but I think it's > a larger issue than the changes included here. > > ---------------------------------- > > Basically with -q the answer seems to be that there's no point because > it doesn't actually do anything. --brief works (and is AFAIK the same > option) although there's a comment that its output is 'silly' - make of > that what you will. > > Tony >