Home » Archimedes archive » Acorn User » AU 1996-06.adf » Regulars » StarInfo/Fletcher/!TextScanC/!Help

StarInfo/Fletcher/!TextScanC/!Help

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Archimedes archive » Acorn User » AU 1996-06.adf » Regulars
Filename: StarInfo/Fletcher/!TextScanC/!Help
Read OK:
File size: 170A bytes
Load address: 0000
Exec address: 0000
File contents
                                   TextScan
                                   ========
Version 1.01 (11 Sep 1995)
Version 1.01C (14 Nov 1995)
     
NOTE: This is a compressed version of the original program which does not use
my JFShared library. The full version can be obtained from the author's web
site.

Introduction
------------
Have you ever thought �Does one of my sound sample playing programs import
microsoft WAV format ?�, or �Which OSLib header file is the definition for
Device_S in, and which calls use it ?�, or how about �How many times does the
word Desktop occur in text files on my hard disc ?� ?

No ? Well, then you don't really need this program. If, however, any of these
sounds vaguely familiar, then you could probably benefit from having this
program.

What it allows you to do is to give it a path to search, and a string to
search for (wildcarded) and then just let it run around like a headless
chicken looking for that string. Simple ?


Usage
-----
� Firstly, run the application. Very simple, yes ?

� Now, Drag a directory on to the icon bar to indicate where you wish to
search, eg the OSLib archive. Alternatively, you could just click on the icon
and enter the root path of the hard disc (eg ADFS::Gerph.$). Still easy ?

� Enter it the second icon the string you wish to search for. This can
include wildcards, for example "Set *$Options" to find all programs which
have default options settings (you would need to enable Scan Obey files for
this to work, however). The search is case insensitive, and uses a relatively
fast search technique which I have encoded directly from the CopyF program
(sorry about this, but it is a gorgeous piece of code for checking
wildcards). Note that leading and trailing *'s and #'s will be stripped.

� Make sure that the Throwback handler is present and its name entered into
the icon. See the section later for more informtion. If this is not present,
then the messages will be broadcast; this takes a little longer, but means
that TextScan need not know who is picking up the messages, and it should
work with whichever handler is present.

� Now, the hard bit. Click Scan to begin scanning.

    
How it works
------------
Well, I wrote a simple program to scan an area of memory for a wildcarded
string in Assembler, and the program simply applies the program to all the
files within a particular path.

Not much more I can say really. Sorry. Look at the code to see how it works.
If you load the Source v1.00 file you can see the code (bar that in the
library) for the scan (not available in this release).


Configuration
-------------
The menu option Configure� allows you to configure the initial state of the
application and some of the features which are not settable by the main
application. This option uses Config+ (my version). If you don't understand
any of the options then you might as well use the !Help application as that
is what it is for and as most of my applications support it.

If, however, you don't have Config+ available, then you will be presented
with a text file to manually alter. The entries are :

Program:    Do not alter
Path:       Path to fill in initially
Throwback:  Application to use for throwback (or blank for broadcast messages)
Poll:       Numeric value preceded by % giving the number of polls to execute
            whilst searching. Use +ve integers for a number of multitasks,
            -ve number to number of finds to do before executing that number
            of polls, or 0 to disable multitasking entirely.
ScanAll:    Set to On if all file types whould be scanned.
ScanData:   Set to On if Data files should be scanned (useful for StrongHelp)
ScanObey:   Set to On if Obey files should be scanned.


Help and message files
----------------------
This application is fully !Help compliant and it is recommended that when
getting to grips with it the help should be used if only to give it some
purpose! It also supports the use of MessageTrans and therefore translation
to another language or changing the messages for the fun of it is much easier
than it might have been.


Compatibility
-------------
This application has been tested on the author's A5000, but due to the lack
of friends with Acorns has not been tested on other systems. Due to some
features of RO3.1 not being present on RO2, it is unlikely that it will run
on these machines (sorry Niall). However, minor modifications may be all that
is required. The original version of TextScan should have no problems at all
running under RO2.


Disclaimer
----------
  The author accepts no responsibility for any problems which this
application may cause or loss of data resulting in its use. This application
is Public Domain. This means that it may be distributed, so long as no charge
other than copying costs are charged for it.
  
        
Contact
-------
Any comments, queries, donations or bug reports can be sent to :

E-Mail : JRFlet@Essex.ac.uk
URL    : http://cswww2.essex.ac.uk/users/jrflet

Snail Mail :
    Justin Fletcher
    �Galadriel�
    17b Cromwell Road,
    Weeting,
    Brandon,
    Suffolk.
    IP27 0QT

Uni address : (year 1995/6 only)
    Eddington Tower,
    Flat 9/5,
    University of Essex,
    Wivenhoe Park,
    Colchester.
    CO4 3SQ


History
-------
Version 1.00 : 08 Sep 1995
               First version written
Version 1.01 : 11 Sep 1995
               Modifications to fix bugs with ArcFS needing more memory than
               we have. Help file written.
               Config+ module written to set default features.
               This full version can be obtained from the above URL, or by
               EMail to the above address.
Version 1.01C: 14 Nov 1995
               Identical to 1.01, but Compressed using BasCompress for
               Acorn User's *Info section. Configure� option now performs
               *Filer_Run if no ConfigPlus present.

00000000  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000020  20 20 20 54 65 78 74 53  63 61 6e 0a 20 20 20 20  |   TextScan.    |
00000030  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000040  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 3d  |               =|
00000050  3d 3d 3d 3d 3d 3d 3d 0a  56 65 72 73 69 6f 6e 20  |=======.Version |
00000060  31 2e 30 31 20 28 31 31  20 53 65 70 20 31 39 39  |1.01 (11 Sep 199|
00000070  35 29 0a 56 65 72 73 69  6f 6e 20 31 2e 30 31 43  |5).Version 1.01C|
00000080  20 28 31 34 20 4e 6f 76  20 31 39 39 35 29 0a 20  | (14 Nov 1995). |
00000090  20 20 20 20 0a 4e 4f 54  45 3a 20 54 68 69 73 20  |    .NOTE: This |
000000a0  69 73 20 61 20 63 6f 6d  70 72 65 73 73 65 64 20  |is a compressed |
000000b0  76 65 72 73 69 6f 6e 20  6f 66 20 74 68 65 20 6f  |version of the o|
000000c0  72 69 67 69 6e 61 6c 20  70 72 6f 67 72 61 6d 20  |riginal program |
000000d0  77 68 69 63 68 20 64 6f  65 73 20 6e 6f 74 20 75  |which does not u|
000000e0  73 65 0a 6d 79 20 4a 46  53 68 61 72 65 64 20 6c  |se.my JFShared l|
000000f0  69 62 72 61 72 79 2e 20  54 68 65 20 66 75 6c 6c  |ibrary. The full|
00000100  20 76 65 72 73 69 6f 6e  20 63 61 6e 20 62 65 20  | version can be |
00000110  6f 62 74 61 69 6e 65 64  20 66 72 6f 6d 20 74 68  |obtained from th|
00000120  65 20 61 75 74 68 6f 72  27 73 20 77 65 62 0a 73  |e author's web.s|
00000130  69 74 65 2e 0a 0a 49 6e  74 72 6f 64 75 63 74 69  |ite...Introducti|
00000140  6f 6e 0a 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 0a  |on.------------.|
00000150  48 61 76 65 20 79 6f 75  20 65 76 65 72 20 74 68  |Have you ever th|
00000160  6f 75 67 68 74 20 94 44  6f 65 73 20 6f 6e 65 20  |ought .Does one |
00000170  6f 66 20 6d 79 20 73 6f  75 6e 64 20 73 61 6d 70  |of my sound samp|
00000180  6c 65 20 70 6c 61 79 69  6e 67 20 70 72 6f 67 72  |le playing progr|
00000190  61 6d 73 20 69 6d 70 6f  72 74 0a 6d 69 63 72 6f  |ams import.micro|
000001a0  73 6f 66 74 20 57 41 56  20 66 6f 72 6d 61 74 20  |soft WAV format |
000001b0  3f 95 2c 20 6f 72 20 94  57 68 69 63 68 20 4f 53  |?., or .Which OS|
000001c0  4c 69 62 20 68 65 61 64  65 72 20 66 69 6c 65 20  |Lib header file |
000001d0  69 73 20 74 68 65 20 64  65 66 69 6e 69 74 69 6f  |is the definitio|
000001e0  6e 20 66 6f 72 0a 44 65  76 69 63 65 5f 53 20 69  |n for.Device_S i|
000001f0  6e 2c 20 61 6e 64 20 77  68 69 63 68 20 63 61 6c  |n, and which cal|
00000200  6c 73 20 75 73 65 20 69  74 20 3f 95 2c 20 6f 72  |ls use it ?., or|
00000210  20 68 6f 77 20 61 62 6f  75 74 20 94 48 6f 77 20  | how about .How |
00000220  6d 61 6e 79 20 74 69 6d  65 73 20 64 6f 65 73 20  |many times does |
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00000240  20 6f 63 63 75 72 20 69  6e 20 74 65 78 74 20 66  | occur in text f|
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00000260  64 69 73 63 20 3f 95 20  3f 0a 0a 4e 6f 20 3f 20  |disc ?. ?..No ? |
00000270  57 65 6c 6c 2c 20 74 68  65 6e 20 79 6f 75 20 64  |Well, then you d|
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000002d0  2c 20 74 68 65 6e 20 79  6f 75 20 63 6f 75 6c 64  |, then you could|
000002e0  20 70 72 6f 62 61 62 6c  79 20 62 65 6e 65 66 69  | probably benefi|
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00000320  74 6f 20 64 6f 20 69 73  20 74 6f 20 67 69 76 65  |to do is to give|
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00000360  20 28 77 69 6c 64 63 61  72 64 65 64 29 20 61 6e  | (wildcarded) an|
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00000380  69 74 20 72 75 6e 20 61  72 6f 75 6e 64 20 6c 69  |it run around li|
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000003c0  69 6d 70 6c 65 20 3f 0a  0a 0a 55 73 61 67 65 0a  |imple ?...Usage.|
000003d0  2d 2d 2d 2d 2d 0a 8f 20  46 69 72 73 74 6c 79 2c  |-----.. Firstly,|
000003e0  20 72 75 6e 20 74 68 65  20 61 70 70 6c 69 63 61  | run the applica|
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00000400  65 2c 20 79 65 73 20 3f  0a 0a 8f 20 4e 6f 77 2c  |e, yes ?... Now,|
00000410  20 44 72 61 67 20 61 20  64 69 72 65 63 74 6f 72  | Drag a director|
00000420  79 20 6f 6e 20 74 6f 20  74 68 65 20 69 63 6f 6e  |y on to the icon|
00000430  20 62 61 72 20 74 6f 20  69 6e 64 69 63 61 74 65  | bar to indicate|
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00000450  74 6f 0a 73 65 61 72 63  68 2c 20 65 67 20 74 68  |to.search, eg th|
00000460  65 20 4f 53 4c 69 62 20  61 72 63 68 69 76 65 2e  |e OSLib archive.|
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000004c0  68 61 72 64 20 64 69 73  63 20 28 65 67 20 41 44  |hard disc (eg AD|
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00000530  61 6e 0a 69 6e 63 6c 75  64 65 20 77 69 6c 64 63  |an.include wildc|
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000006b0  20 4e 6f 74 65 20 74 68  61 74 20 6c 65 61 64 69  | Note that leadi|
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000006e0  20 62 65 20 73 74 72 69  70 70 65 64 2e 0a 0a 8f  | be stripped....|
000006f0  20 4d 61 6b 65 20 73 75  72 65 20 74 68 61 74 20  | Make sure that |
00000700  74 68 65 20 54 68 72 6f  77 62 61 63 6b 20 68 61  |the Throwback ha|
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00000740  63 6f 6e 2e 20 53 65 65  20 74 68 65 20 73 65 63  |con. See the sec|
00000750  74 69 6f 6e 20 6c 61 74  65 72 20 66 6f 72 20 6d  |tion later for m|
00000760  6f 72 65 20 69 6e 66 6f  72 6d 74 69 6f 6e 2e 20  |ore informtion. |
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00000810  6e 64 20 69 74 20 73 68  6f 75 6c 64 0a 77 6f 72  |nd it should.wor|
00000820  6b 20 77 69 74 68 20 77  68 69 63 68 65 76 65 72  |k with whichever|
00000830  20 68 61 6e 64 6c 65 72  20 69 73 20 70 72 65 73  | handler is pres|
00000840  65 6e 74 2e 0a 0a 8f 20  4e 6f 77 2c 20 74 68 65  |ent.... Now, the|
00000850  20 68 61 72 64 20 62 69  74 2e 20 43 6c 69 63 6b  | hard bit. Click|
00000860  20 53 63 61 6e 20 74 6f  20 62 65 67 69 6e 20 73  | Scan to begin s|
00000870  63 61 6e 6e 69 6e 67 2e  0a 0a 20 20 20 20 0a 48  |canning...    .H|
00000880  6f 77 20 69 74 20 77 6f  72 6b 73 0a 2d 2d 2d 2d  |ow it works.----|
00000890  2d 2d 2d 2d 2d 2d 2d 2d  0a 57 65 6c 6c 2c 20 49  |--------.Well, I|
000008a0  20 77 72 6f 74 65 20 61  20 73 69 6d 70 6c 65 20  | wrote a simple |
000008b0  70 72 6f 67 72 61 6d 20  74 6f 20 73 63 61 6e 20  |program to scan |
000008c0  61 6e 20 61 72 65 61 20  6f 66 20 6d 65 6d 6f 72  |an area of memor|
000008d0  79 20 66 6f 72 20 61 20  77 69 6c 64 63 61 72 64  |y for a wildcard|
000008e0  65 64 0a 73 74 72 69 6e  67 20 69 6e 20 41 73 73  |ed.string in Ass|
000008f0  65 6d 62 6c 65 72 2c 20  61 6e 64 20 74 68 65 20  |embler, and the |
00000900  70 72 6f 67 72 61 6d 20  73 69 6d 70 6c 79 20 61  |program simply a|
00000910  70 70 6c 69 65 73 20 74  68 65 20 70 72 6f 67 72  |pplies the progr|
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00000930  6c 65 73 20 77 69 74 68  69 6e 20 61 20 70 61 72  |les within a par|
00000940  74 69 63 75 6c 61 72 20  70 61 74 68 2e 0a 0a 4e  |ticular path...N|
00000950  6f 74 20 6d 75 63 68 20  6d 6f 72 65 20 49 20 63  |ot much more I c|
00000960  61 6e 20 73 61 79 20 72  65 61 6c 6c 79 2e 20 53  |an say really. S|
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000009b0  63 65 20 76 31 2e 30 30  20 66 69 6c 65 20 79 6f  |ce v1.00 file yo|
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000009e0  74 68 65 0a 6c 69 62 72  61 72 79 29 20 66 6f 72  |the.library) for|
000009f0  20 74 68 65 20 73 63 61  6e 20 28 6e 6f 74 20 61  | the scan (not a|
00000a00  76 61 69 6c 61 62 6c 65  20 69 6e 20 74 68 69 73  |vailable in this|
00000a10  20 72 65 6c 65 61 73 65  29 2e 0a 0a 0a 43 6f 6e  | release)....Con|
00000a20  66 69 67 75 72 61 74 69  6f 6e 0a 2d 2d 2d 2d 2d  |figuration.-----|
00000a30  2d 2d 2d 2d 2d 2d 2d 2d  0a 54 68 65 20 6d 65 6e  |--------.The men|
00000a40  75 20 6f 70 74 69 6f 6e  20 43 6f 6e 66 69 67 75  |u option Configu|
00000a50  72 65 8c 20 61 6c 6c 6f  77 73 20 79 6f 75 20 74  |re. allows you t|
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00000a80  20 74 68 65 0a 61 70 70  6c 69 63 61 74 69 6f 6e  | the.application|
00000a90  20 61 6e 64 20 73 6f 6d  65 20 6f 66 20 74 68 65  | and some of the|
00000aa0  20 66 65 61 74 75 72 65  73 20 77 68 69 63 68 20  | features which |
00000ab0  61 72 65 20 6e 6f 74 20  73 65 74 74 61 62 6c 65  |are not settable|
00000ac0  20 62 79 20 74 68 65 20  6d 61 69 6e 0a 61 70 70  | by the main.app|
00000ad0  6c 69 63 61 74 69 6f 6e  2e 20 54 68 69 73 20 6f  |lication. This o|
00000ae0  70 74 69 6f 6e 20 75 73  65 73 20 43 6f 6e 66 69  |ption uses Confi|
00000af0  67 2b 20 28 6d 79 20 76  65 72 73 69 6f 6e 29 2e  |g+ (my version).|
00000b00  20 49 66 20 79 6f 75 20  64 6f 6e 27 74 20 75 6e  | If you don't un|
00000b10  64 65 72 73 74 61 6e 64  0a 61 6e 79 20 6f 66 20  |derstand.any of |
00000b20  74 68 65 20 6f 70 74 69  6f 6e 73 20 74 68 65 6e  |the options then|
00000b30  20 79 6f 75 20 6d 69 67  68 74 20 61 73 20 77 65  | you might as we|
00000b40  6c 6c 20 75 73 65 20 74  68 65 20 21 48 65 6c 70  |ll use the !Help|
00000b50  20 61 70 70 6c 69 63 61  74 69 6f 6e 20 61 73 20  | application as |
00000b60  74 68 61 74 0a 69 73 20  77 68 61 74 20 69 74 20  |that.is what it |
00000b70  69 73 20 66 6f 72 20 61  6e 64 20 61 73 20 6d 6f  |is for and as mo|
00000b80  73 74 20 6f 66 20 6d 79  20 61 70 70 6c 69 63 61  |st of my applica|
00000b90  74 69 6f 6e 73 20 73 75  70 70 6f 72 74 20 69 74  |tions support it|
00000ba0  2e 0a 0a 49 66 2c 20 68  6f 77 65 76 65 72 2c 20  |...If, however, |
00000bb0  79 6f 75 20 64 6f 6e 27  74 20 68 61 76 65 20 43  |you don't have C|
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