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S H E R L O C K A Dual Window ASCII File Comparison Utility SHERLOCK is a commercial program and is copyrighted. It is distributed using the Shareware marketing concept. The Shareware concept allows you to try the fully functional program on your own computer before you buy it. If you continue to use SHERLOCK or keep it for when you might use it, then you MUST send the $25 registration fee to the author. Press Function Key 8 to print the registration form from the program. When you register SHERLOCK you will receive: Telephone and mail support. A copy of the latest version of SHERLOCK Removal of Registration Screen & reminders. Skip the Registration Form reminder at the end of the program. A loan amortization program with both the BASIC source code and the compiled program. No registration is required for the amortization program. A Copy of DISKLIST for you to try. _______ ____|__ | (R) --| | |------------------- | ____|__ | Association of | | |_| Shareware |__| o | Professionals -----| | |--------------------- |___|___| MEMBER Table of Contents OVERVIEW...............................1 FASTSTART..............................1 FUNCTION KEYS..........................2 HELP SCREENS...........................3 SEARCH.................................6 TEXT INPUT.............................6 MISCELLANEOUS..........................6 MONOCHROME.............................8 MEMORY USAGE...........................8 SHAREWARE..............................8 EPILOGUE..............................10 OMBUDSMAN............................ 10 Copyright 1988..1993 John P. Bauernschub, Jr. Gulf Sierra 14809 Clavel Street Rockville, MD 20853-1543 301-460-0354 CompuServe ID 73270,77 OVERVIEW SHERLOCK is designed to do one job, compare two ASCII files line by line. When the lines do not match, SHERLOCK raises a flag. At that point, you may scroll either or both files past the mismatch to put them in sync and then continue. SHERLOCK contains features for searching, jumping around the files, restarting, and copying lines to a printer. SHERLOCK does not write to either file. SHERLOCK is designed as a tool for programmers, writers and workstation support personnel. It is best on files like program source files, AUTOEXEC.BAT, CONFIG.SYS, and text documents. SHERLOCK displays five lines of each file in separate windows. The line from each file that is being compared is in the center of the window and highlighted. When the center lines in each window do not match, a message indicating this pops up between the windows. The top line of each window frame displays the line number of the center line and the name of the file. FAST START SHERLOCK is started by entering one of the following commands: SHERLOCK SHERLOCK filename1 SHERLOCK filename1 filename2 SHERLOCK filename1 d:\* If you do not enter a filename or filenames, SHERLOCK will prompt you. There is a feature (new to version 2.6) that allows you to view the file names on any drive or directory and select from that list. If you want to have the exact same file in both windows for learning SHERLOCK, enter only an asterisk for the second file name. SHERLOCK will substitute the first file name for the asterisk. If you are comparing two files with the same name that are on different disks or in different directories, enter the filename that is in the current directory as filename1, either on the DOS command line or at the prompt in SHERLOCK. For the second file name, enter the drive or path followed by an asterisk (no space between the path and the asterisk). Again, SHERLOCK will substitute the first file name for the asterisk. These instructions will be easier to understand if you are running SHERLOCK while you are reading them. You can try each function as you read about it. Print a copy of these -1- instructions if you haven't done so. They are about 12 pages. To print them, use the DOS command: COPY SHERLOCK.DOC PRN Use the file SHERLOCK.DOC as the text file to learn on. To run SHERLOCK with this file in both windows, enter the DOS command: SHERLOCK SHERLOCK.DOC * The asterisk causes the first file name, SHERLOCK.DOC, to be also used as the second file name. Unregistered versions of SHERLOCK start by displaying the title screen. It explains how to register this Shareware program. The bottom line of the screen prompts for an M if you are using a monochrome monitor, otherwise press any other key to continue. If there is NOT a border line around the title screen on your display, press M. FUNCTION KEYS The following is a list of operations that can be activated by function keys. FUNCTION KEYS FK 1 Help; also Shift FK 1 & Ctl FK 1 FK 2 Jump to a Line FK 3 Search FK 4 Jump to DOS (Shell) FK 5 Open a New File FK 6 Reverse Scroll Action FK 7 Print Lines FK 8 Print Registration Form FK 9 Toggle Display ON/OFF FK 10 SCAN Start/Stop (Toggle) In the upper right corner of the screen are three more control functions. T-Trim Leading Spaces No A-Case Sensitive Yes R-Remove All Spaces No Pressing T, A, or R toggles the Yes/No. When SHERLOCK starts these features default to the normal SHERLOCK settings and are not saved from session to session. There are three help windows that contain most of the information that you need to effectively operate SHERLOCK. -2- H or Function Key 1 pops up help window #1. Shift FK 1 pops up help window #2. Control FK 1 pops up help window #3. Whenever a help window is open, another help window can be viewed by pressing its relative function key or number on either set of numeric keys. You may step through the help windows by pressing the space bar, the H key, the Up and Down arrows, and Page Up and Page Down. So if help window #1 is open, just press the number 3 to get the third help window, then 2 to get the second, or whatever one you want. Or, just keep pressing H. SHERLOCK turns the Num Lock on and off for you so that you can use the digits 1, 2, 3. Functions 1, 2, 3, 4, 5, 7 and 8 open a window with information or a menu. Function 10 (or the Enter key) toggles the scan mode on and off. The scan mode continuously scrolls the lines in each window one line, then compares them. The scan continues until two lines are found that do not match, the end of either file is reached, function key 10 (or the Enter key) is pressed again, or the ESC key is pressed. Function key 9 (or the space bar) controls whether the text lines will be displayed during the scan mode. The reason for not displaying the text during the scan mode is to speed the scan rate. Function key 9 (or the space bar) toggles a flag that indicates the status of the display mode. This flag is not visible until the toggle is first pressed. The text is always displayed when the scan mode is off. When the scan stops, all lines are immediately displayed. Function key 6 reverses the direction that the text in the windows will scroll when commanded by Page Up, Page Down, and the Up and Down arrow keys. The direction in effect is indicated by an up or down arrow in the Function Key Window. The ESC key can be used to stop any activity in SHERLOCK. It is also used to exit the program. HELP SCREENS Function Key 1 produces the following list of the action keys that move the text in the windows. This is also Help Window 1. -3- ACTION KEYS Page Up Scroll both windows up Page Down Scroll both windows down Up Arrow Scroll top window up Down Arrow Scroll top window down Shift Up Arrow Scroll botm window up Shift Down Arrow Scroll botm window down Left Arrow Shift midlines left 20 Right Arrow Shift midlines right 20 Home Beginning of Both files End End of Both files Control Home Beginning of Top file Control End End of Top file Shift Home Beginning of Bottom file Shift End End of Bottom file Ins Scroll top window until Match Del Scroll botm window until Match ESC STOP any activity, Quit Program Help Window 1 Help Window 2 provides reminders on additional action keys, information on help, commands for editing input to prompts, and commands for the search feature. This window can be displayed by pressing 2 when another help window is open or with Shift FK 1 otherwise. RETURN = FK 10 Toggle SCAN ON/OFF SPACE = FK 9 Toggle Display ON/OFF SHIFT with FK 10, RETURN, INS, or DEL Produces the defined action in the OPPOSITE Direction - - - - - - - - H E L P - - - - - - - - Activate the Three HELP Windows with H, FK 1, Shift FK 1, or Control FK 1 Switch between them with H, Space, 1,2,3, FK1, FK2, FK3, PAGE UP-DOWN - - - - - EDITING PROMPT INPUTS - - - - - Input Line Scrolls Horizontally ESC Deletes Input Line Traditional Functions Work For: Left Right Home End Ins Del Backspace - - - - - - - S E A R C H - - - - - - - S of FK 3 - Search C - Continue a Search when Continue prompt is displayed at bottom Help Window 2 -4- Help Window 3 is a reference on optimizing memory usage. This window can be displayed by pressing 3 when another help window is open or with Control FK 1 otherwise. Printer Control Commands L - Blank Line E - Eject Page - - - - Optimizing Memory Usage - - - - M Toggles the Display of FREE STRING SPACE Values Displayed in the TOP LEFT CORNER are: aaaa bbbb cccc dddd nnn aaaa Before Reading any Files bbbb After Reading 1st File cccc After Reading 2nd File dddd Current FREE STRING SPACE nnn Setting for Max Buffer Lines Change the Max Buffer Lines with /B=nnn on the COMMAND Line Help Window 3 The SHIFTED commands - Page Up, Page Down, Home, End, and arrows - now work on enhanced keyboards that have cursor keys separate from the numeric keypad. These commands still work on the numeric keypad. Remember, shift always affects action in the second window. Even shift FK 1 displays the second help window. SHIFT with FK 10, RETURN, INS, or DEL produces the defined action in the OPPOSITE Direction. If the scan mode is off, pressing ESC, Q, or X will open a window to ask if you really want to quit SHERLOCK. Pressing ESC, Q, X, Y, or RETURN then will end SHERLOCK; any other key will continue SHERLOCK. SHERLOCK uses the arrow keys on the numeric keypad and on the separate cursor keypad. SHERLOCK turns the Num Lock off when it starts. It turns it on again when you press a function key that requests numeric input, then turns it off again. So don't touch the Num Lock key when using SHERLOCK, it's automatic. Function Key 4 puts you in DOS to run DOS programs. The technical term is Shell to DOS. SHERLOCK has not ended and is still in memory. You may not have enough memory to run some programs. Enter the DOS command EXIT to return to SHERLOCK. To exit SHERLOCK when you are done and remove it from memory, press ESC, Q, or X twice. -5- SEARCH SHERLOCK has the capability to perform a search. You initiate a search or change the search text by pressing Function Key 3 or S. It prompts for input from a pop up window. When a search is initiated this way, the search starts at the highlighted line. When a match is found, every occurrence of the matched text on that line is highlighted. There is a mode where all lines that have a match can be sent to your printer. Whenever there is a string in the search buffer to search for, the phrase "C = Continue Search" is displayed at the bottom of your screen. By pressing C, the search will continue on the next line after the highlighted line. If it doesn't find another occurrence of the search string, it will tell you so and will return to the line from where it started. When SHERLOCK is executing the Continue Search command, it opens a window at the bottom of the screen to indicate its status. If SHERLOCK finds the string quickly and/or you have a fast computer, this message will appear and disappear too quick to read or even identify. Note the difference between Search and Continue Search. Search starts looking for a match at the beginning of the highlighted line. Continue Search starts looking at the line after the highlighted line. TEXT INPUT There are several prompts where SHERLOCK asks for text input. All follow these rules. SHERLOCK always presents the previous data in that field for you to edit if you wish. ESC will erase the entire line. All standard editing features of the computer are available: insert, delete, home, end, left and right arrows. SHERLOCK has a novel feature. If you want to enter more characters than will fit into the input window, then SHERLOCK scrolls the text sideways. All data will not be displayed in the text window, but it will be used. MISCELLANEOUS Function key 7 will print lines of the text files on your printer. It will also skip lines or eject pages (form feed). You can print blank lines or eject a page when no function key window is open. Press the L key to skip a line or the E key to eject a page. SHERLOCK will trap errors when your printer is OFF or OFF LINE. A window will pop up to tell you so. You may turn your printer -6- ON and ON LINE, then hit RETURN, and SHERLOCK will continue. Or press ESC, Q, or X and SHERLOCK will skip the printing. * * * * * * * * * C A U T I O N * * * * * * * * * * * * * * * * * * * * * * * * Some computers do not respond for 30 to 60 seconds to the program when a printer is OFF LINE or OFF. In my experience this has always occurred when the printer is ON but OFF LINE. This timeout period is controlled by DOS. SHERLOCK will not be able to display the error window until the DOS timeout period ends. If you accidentally press L (Line Feed) or E (Eject Page) and your printer is not ready, or it is not ready when you want to print, then you may have to wait 30 to 60 seconds for SHERLOCK to get back in control. If SHERLOCK ever locks up, wait at least a minute before rebooting. You may not have to. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * SHERLOCK remembers when you select the parameter to use the printer in the search mode until you change it in the "Find All & send to printer" prompt. However, if a printer error window pops up and you select the option to quit printing, SHERLOCK will change this search parameter to no printing. When a highlighted line is longer then 78 characters, the color of the 78th character is black on white to alert you to the fact that there is more text. Press the right arrow key to see more of the right end of the line. This will scroll the center line in both windows horizontally 20 characters for each press. The left arrow key scrolls the lines back. The animated title of SHERLOCK is now an option. To activate it for a single run, include in the command string after the filenames /D after the file names. You can permanently modify SHERLOCK so that the title will always dance. To do so, run SHERLOCK from the default directory, i.e. SHERLOCK.EXE must be in the directory that you are running from, and include after the filenames /DANCE in the command string. As always, the animated title can be halted instantly by pressing any key. SHERLOCK requires 256 K of free memory and DOS 2.1 or later. -7- MONOCHROME Users of the unregistered version can switch to monochrome by pressing M when the Shareware screen is displayed. However you can't do that in the registered version or when the unregistered version runs as if registered. SHERLOCK can be modified to always run in monochrome mode and switched back to color. To modify it for monochrome, run SHERLOCK from the default directory, i.e. SHERLOCK.EXE must be in the directory that you are running from, and include after the filenames /MONO in the command string. To switch back to color use /COLOR. MEMORY USAGE Technical Note: Information in the following section is NOT required for you to use SHERLOCK. It is presented as technical information for the serious computer user who enjoys optimizing software for maximum performance. Please skip to the next section - SHAREWARE - if you wish. Regardless of how much memory your computer has, the compiler used for SHERLOCK only allows about 64,000 bytes of memory for string space. The lines of data from the two files you are comparing occupy this space. There is no limit to the length of the document SHERLOCK can process. SHERLOCK keeps 200 lines of each file in memory at a time. When it gets to line 198, it releases the first 100 lines and reads the next 100 lines from your disk. SHERLOCK has a method for you to measure memory available so that you can make adjustments to make optimum use of memory. The M command displays string memory usage. This is a toggle, so it turns the display on then off. The M command causes numbers to be displayed in the upper left corner of the screen in the following relative positions. The numbers on the first line represent the values of the free string space before reading files, after reading the first file, and after reading the second file, respectively. The second line displays the current free string space and the total file buffer size in lines. You may set total lines for the file buffer by entering /B=n -8- after the file names, if any, on the command line. n is a number like 400. The default is 200, which allocates 200 lines for each file. If you have enough memory, as indicated by first value on the second line, and you scroll back and forth often, then a larger value may increase speed by requiring less pausing for disk access when manipulating long files. SHAREWARE SHERLOCK is NOT a public domain program. It is copyrighted and distributed as Shareware. SHERLOCK may be distributed on bulletin boards, by computer user groups and by others who distribute it for $10 or less. SHERLOCK.EXE and SHERLOCK.DOC, must be distributed together and unaltered. If after evaluating SHERLOCK, you decide to use it or keep it for when you will need it, then you MUST submit the registration fee. The registration form is at the end of the documentation and a copy can be printed from SHERLOCK by pressing Function Key 8. For corporate or educational institution discounts on multiple copies or site licenses, contact Gulf Sierra. When you register SHERLOCK you will receive: Telephone and mail support. A copy of the latest version of SHERLOCK Removal of Registration Screen & reminders. Skip the Registration Form reminder at the end of the program. A loan amortization program with both the BASIC source code and the compiled program. No registration is required for the amortization program. Copies of PC-ACCOUNT and DISKLIST for you to try before registering. You will also receive a free introductory membership certificate to CompuServe with a $15.00 credit towards online time. Because I will send you all of this software, please indicate on the registration form the size of the floppy disks that you can use. Once in a while SHERLOCK will act like it is registered for non registered users. It starts running without the shareware screen and displays a window with the message 'Will Run as if REGISTERED' just to show you how it will run when registered. The registration fee is 25.00. Maryland residents add 5% state sales tax ($1.25). Orders outside of the United States add $3 for postage & handling unless you are sending $25 in travelers -9- checks. All checks and money orders must be in US funds and drawn on a US bank. Visa or MasterCard may be used. The following is the schedule of the multi-copy license fees. The fee includes one master diskette which you may then copy and use on the number of machines listed below: # Users Price ------- ------- 5 $ 100.00 ($20 per copy) 10 140.00 ($19 per copy) 25 425.00 ($17 per copy) 50 750.00 ($15 per copy) 100 1,200.00 ($12 per copy) Site 2,500.00 For corporate, educational institution, and network discounts, contact Gulf Sierra. Most copies of software on bulletin boards and even in software vendor libraries are not the latest version. It takes a long time for these to get around, and most of the effort is placed on the widest distribution of the initial release. And with so much emphases being placed on 'safe software' these days, where is there a more reliable place to obtain your software than directly from an ASP author. EPILOGUE Please report discrepancies (bugs) that you find in SHERLOCK. Include sufficient information for me to replicate the incident. When I correct a bug, the person who reported it gets the first revised copy. Whenever you write, please include your home phone number. I like to hear about your experiences with SHERLOCK. You can also send CompuServe Mail to me. My CompuServe ID is 73270,77. I usually answer questions by phone on the weekend or early in the evening Eastern time. If you do not like SHERLOCK, please let me know that you tried it and, if you wish, why you will not use it again. Tell me what features would have made SHERLOCK useful to you. Many features in my software were suggested by people who did not register. And of course, many more were suggested by those who did register. You may use the registration form to reply and cross out the word Registration. -10- OMBUDSMAN I am a member of the Association of Shareware Professionals (ASP). ASP wants to make sure that the Shareware principle works for you. If you are unable to resolve a Shareware-related problem with an ASP member by contacting the member directly, ASP may be able to help. The ASP Ombudsman can help you resolve a dispute or problem with an ASP member, but does not provide technical support for members' products. Please write to the ASP Ombudsman at 545 Grover Road, Muskegon, MI 49442-9427 or send a CompuServe message via CompuServe mail to ASP Ombudsman 70007,3536. -11-