rk9005@cca.ucsf.edu (Roland McGrath) (02/28/88)
Does anyone know what the "sourceany", "tagstack" and "timeout" options of ex/vi do? I have found "sourceany" and "timeout" in 4.3 BSD and "tagstack" only in Sun Unix 3.2. None of them are in the 4.3 BSD documentation. I haven't had a chance to look in the Sun docs. Thanks, folks. -- Roland McGrath ARPA: roland@rtsg.lbl.gov roland@lbl-rtsg.arpa UUCP: ...!ucbvax!lbl-rtsg.arpa!roland
decot@hpisod2.HP.COM (Dave Decot) (02/29/88)
> Does anyone know what the "sourceany", "tagstack" and "timeout" > options of ex/vi do? I have found "sourceany" and "timeout" > in 4.3 BSD and "tagstack" only in Sun Unix 3.2. None of them > are in the 4.3 BSD documentation. I haven't had a chance to > look in the Sun docs. Some guesses in order of certainty: tagstack Controls (whether there is a, the size of the?) stack of tags in use. There are probably additional commands called :push and :pop. :push is used like :tag, except that it also pushes the most recently used tag position onto the top of the tag stack. :pop pops the tag stack and restores the top tag position. timeout Controls whether multi-character input sequences are converted to their mapping (see :map and :map!)? sourceany Controls whether vi/ex will read .exrc in the current directory? Dave Decot hpda!decot
shankar@hpclscu.HP.COM (Shankar Unni) (03/01/88)
/ hpclscu:comp.unix.wizards / decot@hpisod2.HP.COM (Dave Decot) / 2:39 pm Feb 28, 1988 / > Some guesses in order of certainty: > > tagstack > > Controls (whether there is a, the size of the?) stack of tags > in use. There are probably additional commands called > :push and :pop. :push is used like :tag, except that > it also pushes the most recently used tag position onto > the top of the tag stack. :pop pops the tag stack and restores > the top tag position. In 4BSD vi: It controls the presence of a "tag stack" (not its size). There is also a variable called "filestack" which stores the file names in which the tags are marked. For instance, if I set both "tagstack" and "filestack", then when I type "^]" (the "tag" command), vi saves the current file name in the file stack, and the position in the tag stack before jumping to the tag. I can't quite recall the command to pop off the tag/file stack, but I remember that there *was* one (which I had bound to 'q'). (All this is from my memories of 4.2BSD > 3 years ago, so some of it is fuzzy..) BTW, Dave, you might want to suggest this feature to Wayne.... Shankar
mercer@ncrcce.StPaul.NCR.COM (D A Mercer) (03/02/88)
> Does anyone know what the "sourceany", "tagstack" and "timeout" > options of ex/vi do? timeout - ex/vi sets a one second timer upon input of special characters (copied from curses); if all the characters are not received within the time slice, an error is generated and subsequent characters in a multi character sequence (such as the cursor keys for a vt100) are clocked in as normal command characters. For instance, cursor right (<ESC>[C) can delete characters and leave you in input mode. Since in UNIX, a 1 second time slice is the interval between the last 1 second interval expiration and the next, and is thus usually less than 1 second, cursor keys are frequently scrambled, even at 19.2. Setting notimeout prevents this, bu has its own side effects. For instance, if you have the erase to end of file key defined for an ADDS Viewpoint 90 (<ESC>G), trying to exit input mode and branching to the end of the file can result in erasing to the end of file. Two escapes have to be entered to be sure of exitting input mode. All of this derives from ex being single character oriented and only supporting multi character key input as macros.