On Mon, Oct 17, 2005 at 03:50:19PM -0600, Paul Gilmartin wrote: > A colleague told me of an SDS (later XEROX) system that kept > source files in a direct access data base, indexed by the line > number. Imagine the possibilities.
The AS/400 does this, more or less (they're actually indexed by member name and line number, but you get the idea). > Or, how about keeping text files, for long term, in DASD-resident > B-trees, and providing an access method for sequential access? > It should be possible to insert, delete, or move a line or a > block of lines in order of log(filesize) time. Changing one > character in every line is a different matter. Uhm...isn't this reinventing PANVALET or LIBRARIAN? -- Jay Maynard, K5ZC http://www.conmicro.cx http://www.tronguy.net (Yes, that's me!) http://jmaynard.livejournal.com ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
