On Sat, 21 Jan 2006, Jurjen Oskam might have said: > Hi there, > > Some time ago, while using dsmadmc (on AIX 5.3) to do some > filespace-maintenance, I noticed that dsmadmc does something > interesting when it asks you if you really want to delete a particular > filespace. > > When you enter a DELETE FILESPACE command, you're normally asked > if you really want to delete the filespace, with a prompt indicating > that dsmadmc want a Y or a N for an answer. > > I noticed that dsmadmc doesn't care what you type, as long as the first > character is either a Y or a N (or the lower case variant). For example, > typing "nyes" will not delete the filespace, typing "yno" *will* delete > the filespace. > > While this is debatable (IMHO), this gets nasty when you combine this > with how dsmadmc handles other input, like, say, Backspace. I have > tried on two types of Unix terminal emulators: PuTTY (xterm, send Backspace > as Ctrl-?), and the HMC supplied virtual terminal (vt320). > > When entering commands, keys like the cursor keys and backspace work > and do what you'd expect. Backspace deletes the character left of the > cursor. If I type: "q pg<backspace>r<enter>", I get the output of the > QUERY PROCESS command, as expected. However, when I enter a DELETE > FILESPACE command and dsmadmc asks me if I'm really sure, and I type: > "y<backspace>n<enter>", the deletion *will* occur, i.e.: the filespace > is *gone*. Depending on the terminal I've seen "y^Hn" or just plain "n" > (which is particularly nasty), but once you've typed the initial "y" > there's no way except Ctrl-C to prevent the deletion. > > I then changed (on the PuTTY) session my TERM environment variable to > "dumb". This caused the Backspace-key to work as generally expected > when I was asked if I was sure to delete the given filespace. However, > it *also* caused the Backspace key to not work at all during normal > command entering. > > > I am aware that Unix and terminal emulation can be a tricky issue, but > I believe there *is* a problem in dsmadmc in this case, because it > treats the same keypress (Backspace) differently in different parts of > the program. Also, the fact that dsmadmc only looks at the first character > of input when asking a Y/N-question, is IMHO not quite correct. > > What do you think? > > -- > Jurjen Oskam >
Have you tried changing your terminal emulation and the TERM variable? Mike
