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Environment variables set with Sys.putenv() disappear (i.e. become "") after a while, especially after heavy-duty I/O. Example: R> x <- matrix(1., 3000, 3000) R> save(x, file="myx.RData") R> Sys.putenv(HOME="/tmp") R> while (Sys.getenv("HOME") !=...

Hi, I''m running into something weird here. I''m using RH5.1 with tcp_wrappers 7.6. The syntax for hosts.allow and hosts.deny is: <service list> : <access list> [ : <shell_command> ] Everything works when I _don''t_ use the shell_command. I used the _exact_ line as in the man-pages utilising "safe_finger" (comes with tcp_wrappers), tcpdchk

Firtst, I think that thinking about best practice advise and beeing able to accomandate different usage scenarios is a good thing despite me arguing against introducing the main()-idiom. Let's have another turn on the global-environment is bad argument. It has two parts: (1) Glattering namespace. Glattering name space might become a problem because you might end up having used all reasonable words already so one has to extend the space for names with new namespaces. For scripting, this usually should be no problem since one can...

>?That beeing said I think the main task of scripts is to get things done via running them end to end in a fresh session. Now, it very well may happen that a lot of stuff has to be done. Than splitting up scripts into subscripts and sourcing them from a meta script is a straightforward solution. It might also be that some functionality is put into functions to be reused in other places. This

Its really a matter of developing an intuitive method of interaction with t= he environment. Its very feasible and something that is easily realised. = The methods are tried and tested in games systems, 3D editors and even 3D f= ile managers. Thus, there are no new technical aspects, its merely the pac= kaging of those features into a desktop interface. =20 The business applications ca...

Its really a matter of developing an intuitive method of interaction with t= he environment. Its very feasible and something that is easily realised. = The methods are tried and tested in games systems, 3D editors and even 3D f= ile managers. Thus, there are no new technical aspects, its merely the pac= kaging of those features into a desktop interface. =20 The business applications ca...

...though. When we are on this topic, I am still having problems with the "setenv" keyword in the hosts.{allow,deny}. It simply does not work for me. I have tried to use the "setenv" keyword for qmail's incoming mail: tcp-env: ALL@.local.domain : setenv RELAYCLIENT The environment variable is not set for the tcp-env. I have to change this line to the following: tcp-env: ALL@.local.domain : twist /path/relayclient where the /path/relayclient is the following script #!/bin/bash export RELAYCLIENT /var/qmail/bin/tcp-env ... ... It works, but gives me a "twist" sy...