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1986-02-08
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WD: Working Directory Retrieval Program
User's Guide
Barry Press
4201 Empress Avenue
Encino, California 91436
1.0 Introduction
WD is a program to remember the current working directory
and to return to that directory on command. It is primarily
useful in MS-DOS and PC-DOS batch files which must change the
current working directory in order to run a program. Using WD in
these batch files permits the return to the original working
directory regardless of the manipulations within the batch file.
WD has three functions:
1. Note the current working directory path name, saving it
for later reference.
2. Set the current working directory to the saved path name.
3. Print the saved working directory path name on the
screen.
2.0 Running WD
WD is supplied on floppy disk as the file WD.COM. It will
run on any MS-DOS or PC-DOS system running DOS version 2.0 or
later and with nearly any memory configuration. WD permanently
occupies a small memory area of a few hundred bytes after it is
first run, and temporarily requires a few hundred more bytes each
time it is run thereafter. The program is run with one of the
following three commands:
wd note
to record the current working directory drive and path name;
wd set
to change the current working directory to the saved drive and
path name; and
wd
to print the saved working directory drive and path name.
To illustrate the use of WD, the following batch file, named
123.bat, will execute 123 from the directory \123, and will
return to whatever directory is current when execution of the
batch file begins following termination of 123:
echo off
wd note
cd \123
Last Updated 9-24-84 WD Version 1.0
WD: Working Directory Retrieval Program User's Guide Page 2
123
wd set
3.0 Cautions
WD only saves one copy of the working directory path name.
Accordingly, trying to nest invocations of WD (i.e., note, note,
set, set) will not h