Introduction

     Switch Directory (SD) is a utility that allows you to easily switch
     between subdirectories and drives with a minimum of typing.  All you
     need to do is type SD and the name of the drive/subdirectory you desire
     to go to and SD takes you there.  If you have made a mistake, hitting
     Ctrl-Brk will break you out of the program and put you back in the
     subdirectory you started in.

Usage


      [d:\....]>SD [drive][switch][subdirectory name]

                      Options:

                           [drive] - the drive to search

                           [switch] = blank - search whole disk

                                    = \ - search only subdirectories of the
                                          current directory

                                    = / - search only one path deep. (Similar
                                          to DOS CD command with one pathname)



                           [subdirectory name] - the name of an individual
                                                 subdirectory (not the
                                                 complete path)

                           ? - shows help screen

                           If the command line is left blank then you are
                           taken to the root directory of the disk

Examples

      SD d:             - changes the active drive to d: and puts you
                          in the root directory

      SD /source        - searches the root directory of the current drive
                          for a subdirectory named source and puts you in
                          in it

      SD \source        - searches the current directory for subdirectories
                          named source and puts you in the first one it finds

      SD source         - searches the current drive for a subdirectory named
                          source and puts you in the first one it finds

      SD d:source       - changes the current drive to d and searches that
                          drive for a subdirectory named source and puts you
                          in the first one it finds.

Caveats and Other Things

     Caveats first.  If you have duplicate subdirectory names SD will
     drop you in the first one it finds.  SD will only search the drive
     that is specified.  If you have a large number of subdirectories with
     a lot of depth SD could take a few seconds to find its way; be patient,
     such is the price of progress.  Of course, with the source code
     included, you could try and improve the search and speed it up.  Any
     improvements to the code would be welcomed.  The source was derived
     from Vern Buerg's sorted directory program, LDIR and WHISK by Charles
     Wooster.  Thanks guys.  It is written for the A86 assembler.
     This shouldn't be a problem for anyone who is using MASM.

     If you have any comments, suggestions or bug reports drop me
     a line on Bob Blacher's Computer Connection in DC.

                                                    Stephen Falatko



Update Notes

     Version 1 - 3/12/87

     Version 1.1 - 3/18/87  Bug fix.  An error in the routine that creates
                            a full path name for use in actually setting
                            path would preclude switching to directories
                            whose depth was greater than 2 deep.

     Version 2.0 - 5/15/87  Changed the path search routine.  Added new
                            features, the / and \ switches to search one path
                            deep and search only subdirectories of the current
                            directory respectively.  This provides a means to
                            refine the searching and provide more speed.  You
                            can now search other drives by specifying a drive
                            on the command line.  Added break out feature so
                            that hitting Ctrl-Brk will place you in your
                            original directory.