Hi,Matt, Thanks very much and it works in my code then.
Happy New Year! Rebecca Quoting Matthew Knepley <knepley at gmail.com>: > On Wed, Dec 31, 2008 at 2:30 PM, (Rebecca) Xuefei YUAN > <xy2102 at columbia.edu>wrote: > >> >> I tried PetscViewerFileSetMode and use the "FILE_MODE_APPEND", but it seems >> that the file has been overwritten,too. >> >> I was not able to find any examples in tutorials, is there one using it? > > > Here is an example that appends to a file. It works for me. > > Matt > > >> >> Thanks a lot! >> >> >> >> Quoting Matthew Knepley <knepley at gmail.com>: >> >> You use a ViewerCreate() and then >>> >>> >>> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/Viewer/PetscViewerFileSetMode.html >>> >>> to set append, and then FileSetName() to open the file. >>> >>> Matt >>> >>> On Wed, Dec 31, 2008 at 10:24 AM, (Rebecca) Xuefei YUAN < >>> xy2102 at columbia.edu >>> >>>> wrote: >>>> >>> >>> Hi,All, >>>> >>>> I tried to use PetscFOpen to write the numerical result to a file, and I >>>> would like to use the mode "a+" to add my result to the existing content >>>> in >>>> my file. However, whenever the new result comes out, it will overwrite >>>> the >>>> existing content in the file. Is there any problem here? >>>> >>>> Thanks a lot! >>>> >>>> Rebecca >>>> >>>> >>>> >>> >>> -- >>> What most experimenters take for granted before they begin their >>> experiments >>> is infinitely more interesting than any results to which their experiments >>> lead. >>> -- Norbert Wiener >>> >>> >> >> >> -- >> (Rebecca) Xuefei YUAN >> Department of Applied Physics and Applied Mathematics >> Columbia University >> Tel:917-399-8032 >> www.columbia.edu/~xy2102 <http://www.columbia.edu/%7Exy2102> >> >> > > > -- > What most experimenters take for granted before they begin their experiments > is infinitely more interesting than any results to which their experiments > lead. > -- Norbert Wiener > -- (Rebecca) Xuefei YUAN Department of Applied Physics and Applied Mathematics Columbia University Tel:917-399-8032 www.columbia.edu/~xy2102
