According to Tony Godshall, > According to Angelo R. Rossi, > > Hello: > > > > I am using a large molecular dynamics program in the following manner: > > > > charmm <input.file >output.file > > > > The problem is that the file output.file is created, but remains empty. > > After a while, the file fills with some output but still holds back > > much of it. > > > > What is happening here? This is the first time anything like this has > > happened. Usually, output appears immediately. It seems as if it is > > going into a buffer and not being put to the hard drive. > > Please help with this. > > > > I am using debian unstable and uname -a gives: > > > > Linux thebox 2.6.11 #2 SMP Thu May 26 20:53:11 CEST 2005 i686 GNU/Linux > > > > Please help if you can. > > Does doing "sync;sync;sync" help? > > Does the file size show growth?
I think the app needs to to call Unix function fflush(NULL) to flush its buffers to disk. I don't know charmm but I assume it's open source and you can insert such a call. man 3 fflush -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
