DesktopPD/Director/!Director/Utils/!ReadMe

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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.

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Archimedes archive » Acorn User » AU 1995-10.adf » !Direct » Director/!Director/Utils/!ReadMe
Archimedes archive » Acorn User » AU 1998-09.adf » Features » DesktopPD/Director/!Director/Utils/!ReadMe

Utilities
=========

This directory provides a few utilities that are useful in conjunction with
Director.


SWI Module
==========

The SWI module is (C) Jens H. Ovesen 1993 and is distributed with Director
with permission.

This provides a single * command for running SWIs from the command line.

Syntax
------
  *SWI <expression> [<expression>]^ [TO <variable>[ <variable>]^ [;<variable>]]

<expression> is a string that is OS_GSTrans'ed before it's read. If it has ""
around it or it can't be read as a number, it's expected to be a string.
Otherwise it's read as a number value.

<variable> is a system variable. If a '$' is found in <variable>, the
register is expected to be a pointer to a string, and the system variable
will be created as a String type from that register. Otherwise it will be
created as a Number type.

Please be aware that the machine may hang up if you don't know what you're
doing.

Examples
--------

  *SWI "OS_ReadLine" "12345678901" 10 32 126 to input$ length
  *SWI XOS_CLI "cat $" to ;flags
  *SWI <my$swi> <my$param> to my$output ; flags


ExpandMenu
==========

This is for converting Pinboard+ menu files to Director menu files.  See the
main manual for more details.


RunFilerAc
==========

This is for starting off Filer_Action tasks.  It is useful if you want to do
actions to files from the MenuMenu.

See the example menus for details.


IfPodule
========

Detects presence of podules
    
Syntax
------
  1) *IfPodule <podule> <command>
        <command> executed if <podule> installed
       
  2) *IfPodule <podule> <command_1> <command_2>
        <command_1> executed if <podule> installed
        <command_2> executed if not installed
       
  3) *IfPodule <podule> <command> <param_1> <param_2>
        <command> <param_1> executed if <podule> installed
        <command> <param_2> executed if not installed

where <podule> can be:
  1) a (partial) podule name, or
  2) a 4-bit simple podule type
  3) a 32-bit ID with the product type in the low 16 bits and
     the manufacturer in the top 16 bits

Examples
--------
  *IfPodule SCSI "Echo SCSI installed"
  *IfPodule Fax "Filer_Run !FaxManager" "Echo No FaxPack present"
  *IfPodule LaserDirect "Set LD$Present" yes no
  *IfPodule &1100A4 "Echo Acorn Ether3 installed"
  *IfPodule 15 "Echo Nick�s Magic podule is available"


IfThereIs
=========

Detects presence of files or directories.

Syntax
------
  *IfThereIs [-Not] [ -File | -Dir | -App | -Image ] [-x] <object>
             <�yes� command> [<�no� command>]
           | <command> <�yes� param> <�no� param>

  1) *IfThereIs [options] <object> <command>
        <command> executed if <object> found
       
  2) *IfThereIs [options] <object> <command_1> <command_2>
        <command_1> executed if <object> found
        <command_2> executed if not found
       
  3) *IfThereIs [options] <object> <command> <param_1> <param_2>
        <command> <param_1> executed if <object> found
        <command> <param_2> executed if not found

-x makes IfThereIs take the no option if any OS errors reported during the
testing.

Examples
--------
  *IfThereIs -App Apps:!ArtWorks "Echo ArtWorks installed"
  *IfThereIs <Obey$Dir>.!Run "<Obey$Dir>.!Run" "Echo No !Run file"
  *IfThereIs Resources:$.Apps.!Help "Set Help$Present" yes no
  *IfThereIs -Image ADFS::0.$ "Echo Dos Disc: " yes no

DriveName
=========

This is used for finding the name of a drive from its drive spec.

Syntax
------
  Syntax: *DriveName <varname> <drivespec>

Examples
--------
  *DriveName Name ADFS::4
  *DriveName Name ADFS::4.$
  *DriveName Name ADFS::4.$.!Boot.Library

All of these set the system variable Name to the name of the drive

  *Show Name
  Name : HardDisc4

00000000  55 74 69 6c 69 74 69 65  73 0a 3d 3d 3d 3d 3d 3d  |Utilities.======|
00000010  3d 3d 3d 0a 0a 54 68 69  73 20 64 69 72 65 63 74  |===..This direct|
00000020  6f 72 79 20 70 72 6f 76  69 64 65 73 20 61 20 66  |ory provides a f|
00000030  65 77 20 75 74 69 6c 69  74 69 65 73 20 74 68 61  |ew utilities tha|
00000040  74 20 61 72 65 20 75 73  65 66 75 6c 20 69 6e 20  |t are useful in |
00000050  63 6f 6e 6a 75 6e 63 74  69 6f 6e 20 77 69 74 68  |conjunction with|
00000060  0a 44 69 72 65 63 74 6f  72 2e 0a 0a 0a 53 57 49  |.Director....SWI|
00000070  20 4d 6f 64 75 6c 65 0a  3d 3d 3d 3d 3d 3d 3d 3d  | Module.========|
00000080  3d 3d 0a 0a 54 68 65 20  53 57 49 20 6d 6f 64 75  |==..The SWI modu|
00000090  6c 65 20 69 73 20 28 43  29 20 4a 65 6e 73 20 48  |le is (C) Jens H|
000000a0  2e 20 4f 76 65 73 65 6e  20 31 39 39 33 20 61 6e  |. Ovesen 1993 an|
000000b0  64 20 69 73 20 64 69 73  74 72 69 62 75 74 65 64  |d is distributed|
000000c0  20 77 69 74 68 20 44 69  72 65 63 74 6f 72 0a 77  | with Director.w|
000000d0  69 74 68 20 70 65 72 6d  69 73 73 69 6f 6e 2e 0a  |ith permission..|
000000e0  0a 54 68 69 73 20 70 72  6f 76 69 64 65 73 20 61  |.This provides a|
000000f0  20 73 69 6e 67 6c 65 20  2a 20 63 6f 6d 6d 61 6e  | single * comman|
00000100  64 20 66 6f 72 20 72 75  6e 6e 69 6e 67 20 53 57  |d for running SW|
00000110  49 73 20 66 72 6f 6d 20  74 68 65 20 63 6f 6d 6d  |Is from the comm|
00000120  61 6e 64 20 6c 69 6e 65  2e 0a 0a 53 79 6e 74 61  |and line...Synta|
00000130  78 0a 2d 2d 2d 2d 2d 2d  0a 20 20 2a 53 57 49 20  |x.------.  *SWI |
00000140  3c 65 78 70 72 65 73 73  69 6f 6e 3e 20 5b 3c 65  |<expression> [<e|
00000150  78 70 72 65 73 73 69 6f  6e 3e 5d 5e 20 5b 54 4f  |xpression>]^ [TO|
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00000170  72 69 61 62 6c 65 3e 5d  5e 20 5b 3b 3c 76 61 72  |riable>]^ [;<var|
00000180  69 61 62 6c 65 3e 5d 5d  0a 0a 3c 65 78 70 72 65  |iable>]]..<expre|
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000001f0  20 72 65 61 64 20 61 73  20 61 20 6e 75 6d 62 65  | read as a numbe|
00000200  72 2c 20 69 74 27 73 20  65 78 70 65 63 74 65 64  |r, it's expected|
00000210  20 74 6f 20 62 65 20 61  20 73 74 72 69 6e 67 2e  | to be a string.|
00000220  0a 4f 74 68 65 72 77 69  73 65 20 69 74 27 73 20  |.Otherwise it's |
00000230  72 65 61 64 20 61 73 20  61 20 6e 75 6d 62 65 72  |read as a number|
00000240  20 76 61 6c 75 65 2e 0a  0a 3c 76 61 72 69 61 62  | value...<variab|
00000250  6c 65 3e 20 69 73 20 61  20 73 79 73 74 65 6d 20  |le> is a system |
00000260  76 61 72 69 61 62 6c 65  2e 20 49 66 20 61 20 27  |variable. If a '|
00000270  24 27 20 69 73 20 66 6f  75 6e 64 20 69 6e 20 3c  |$' is found in <|
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00000290  65 67 69 73 74 65 72 20  69 73 20 65 78 70 65 63  |egister is expec|
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000002c0  20 61 6e 64 20 74 68 65  20 73 79 73 74 65 6d 20  | and the system |
000002d0  76 61 72 69 61 62 6c 65  0a 77 69 6c 6c 20 62 65  |variable.will be|
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00000350  61 74 20 74 68 65 20 6d  61 63 68 69 6e 65 20 6d  |at the machine m|
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00000390  0a 45 78 61 6d 70 6c 65  73 0a 2d 2d 2d 2d 2d 2d  |.Examples.------|
000003a0  2d 2d 0a 0a 20 20 2a 53  57 49 20 22 4f 53 5f 52  |--..  *SWI "OS_R|
000003b0  65 61 64 4c 69 6e 65 22  20 22 31 32 33 34 35 36  |eadLine" "123456|
000003c0  37 38 39 30 31 22 20 31  30 20 33 32 20 31 32 36  |78901" 10 32 126|
000003d0  20 74 6f 20 69 6e 70 75  74 24 20 6c 65 6e 67 74  | to input$ lengt|
000003e0  68 0a 20 20 2a 53 57 49  20 58 4f 53 5f 43 4c 49  |h.  *SWI XOS_CLI|
000003f0  20 22 63 61 74 20 24 22  20 74 6f 20 3b 66 6c 61  | "cat $" to ;fla|
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00000410  69 3e 20 3c 6d 79 24 70  61 72 61 6d 3e 20 74 6f  |i> <my$param> to|
00000420  20 6d 79 24 6f 75 74 70  75 74 20 3b 20 66 6c 61  | my$output ; fla|
00000430  67 73 0a 0a 0a 45 78 70  61 6e 64 4d 65 6e 75 0a  |gs...ExpandMenu.|
00000440  3d 3d 3d 3d 3d 3d 3d 3d  3d 3d 0a 0a 54 68 69 73  |==========..This|
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00000470  75 20 66 69 6c 65 73 20  74 6f 20 44 69 72 65 63  |u files to Direc|
00000480  74 6f 72 20 6d 65 6e 75  20 66 69 6c 65 73 2e 20  |tor menu files. |
00000490  20 53 65 65 20 74 68 65  0a 6d 61 69 6e 20 6d 61  | See the.main ma|
000004a0  6e 75 61 6c 20 66 6f 72  20 6d 6f 72 65 20 64 65  |nual for more de|
000004b0  74 61 69 6c 73 2e 0a 0a  0a 52 75 6e 46 69 6c 65  |tails....RunFile|
000004c0  72 41 63 0a 3d 3d 3d 3d  3d 3d 3d 3d 3d 3d 0a 0a  |rAc.==========..|
000004d0  54 68 69 73 20 69 73 20  66 6f 72 20 73 74 61 72  |This is for star|
000004e0  74 69 6e 67 20 6f 66 66  20 46 69 6c 65 72 5f 41  |ting off Filer_A|
000004f0  63 74 69 6f 6e 20 74 61  73 6b 73 2e 20 20 49 74  |ction tasks.  It|
00000500  20 69 73 20 75 73 65 66  75 6c 20 69 66 20 79 6f  | is useful if yo|
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00000520  69 6f 6e 73 20 74 6f 20  66 69 6c 65 73 20 66 72  |ions to files fr|
00000530  6f 6d 20 74 68 65 20 4d  65 6e 75 4d 65 6e 75 2e  |om the MenuMenu.|
00000540  0a 0a 53 65 65 20 74 68  65 20 65 78 61 6d 70 6c  |..See the exampl|
00000550  65 20 6d 65 6e 75 73 20  66 6f 72 20 64 65 74 61  |e menus for deta|
00000560  69 6c 73 2e 0a 0a 0a 49  66 50 6f 64 75 6c 65 0a  |ils....IfPodule.|
00000570  3d 3d 3d 3d 3d 3d 3d 3d  0a 0a 44 65 74 65 63 74  |========..Detect|
00000580  73 20 70 72 65 73 65 6e  63 65 20 6f 66 20 70 6f  |s presence of po|
00000590  64 75 6c 65 73 0a 20 20  20 20 0a 53 79 6e 74 61  |dules.    .Synta|
000005a0  78 0a 2d 2d 2d 2d 2d 2d  0a 20 20 31 29 20 2a 49  |x.------.  1) *I|
000005b0  66 50 6f 64 75 6c 65 20  3c 70 6f 64 75 6c 65 3e  |fPodule <podule>|
000005c0  20 3c 63 6f 6d 6d 61 6e  64 3e 0a 20 20 20 20 20  | <command>.     |
000005d0  20 20 20 3c 63 6f 6d 6d  61 6e 64 3e 20 65 78 65  |   <command> exe|
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00000600  20 20 20 0a 20 20 32 29  20 2a 49 66 50 6f 64 75  |   .  2) *IfPodu|
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00000620  6d 61 6e 64 5f 31 3e 20  3c 63 6f 6d 6d 61 6e 64  |mand_1> <command|
00000630  5f 32 3e 0a 20 20 20 20  20 20 20 20 3c 63 6f 6d  |_2>.        <com|
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00000670  63 6f 6d 6d 61 6e 64 5f  32 3e 20 65 78 65 63 75  |command_2> execu|
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00000690  6c 6c 65 64 0a 20 20 20  20 20 20 20 0a 20 20 33  |lled.       .  3|
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000007f0  20 69 6e 20 74 68 65 20  74 6f 70 20 31 36 20 62  | in the top 16 b|
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00000810  2d 2d 2d 2d 2d 2d 0a 20  20 2a 49 66 50 6f 64 75  |------.  *IfPodu|
00000820  6c 65 20 53 43 53 49 20  22 45 63 68 6f 20 53 43  |le SCSI "Echo SC|
00000830  53 49 20 69 6e 73 74 61  6c 6c 65 64 22 0a 20 20  |SI installed".  |
00000840  2a 49 66 50 6f 64 75 6c  65 20 46 61 78 20 22 46  |*IfPodule Fax "F|
00000850  69 6c 65 72 5f 52 75 6e  20 21 46 61 78 4d 61 6e  |iler_Run !FaxMan|
00000860  61 67 65 72 22 20 22 45  63 68 6f 20 4e 6f 20 46  |ager" "Echo No F|
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00000890  72 44 69 72 65 63 74 20  22 53 65 74 20 4c 44 24  |rDirect "Set LD$|
000008a0  50 72 65 73 65 6e 74 22  20 79 65 73 20 6e 6f 0a  |Present" yes no.|
000008b0  20 20 2a 49 66 50 6f 64  75 6c 65 20 26 31 31 30  |  *IfPodule &110|
000008c0  30 41 34 20 22 45 63 68  6f 20 41 63 6f 72 6e 20  |0A4 "Echo Acorn |
000008d0  45 74 68 65 72 33 20 69  6e 73 74 61 6c 6c 65 64  |Ether3 installed|
000008e0  22 0a 20 20 2a 49 66 50  6f 64 75 6c 65 20 31 35  |".  *IfPodule 15|
000008f0  20 22 45 63 68 6f 20 4e  69 63 6b 91 73 20 4d 61  | "Echo Nick.s Ma|
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00000920  72 65 49 73 0a 3d 3d 3d  3d 3d 3d 3d 3d 3d 0a 0a  |reIs.=========..|
00000930  44 65 74 65 63 74 73 20  70 72 65 73 65 6e 63 65  |Detects presence|
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00000950  65 63 74 6f 72 69 65 73  2e 0a 0a 53 79 6e 74 61  |ectories...Synta|
00000960  78 0a 2d 2d 2d 2d 2d 2d  0a 20 20 2a 49 66 54 68  |x.------.  *IfTh|
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00000980  46 69 6c 65 20 7c 20 2d  44 69 72 20 7c 20 2d 41  |File | -Dir | -A|
00000990  70 70 20 7c 20 2d 49 6d  61 67 65 20 5d 20 5b 2d  |pp | -Image ] [-|
000009a0  78 5d 20 3c 6f 62 6a 65  63 74 3e 0a 20 20 20 20  |x] <object>.    |
000009b0  20 20 20 20 20 20 20 20  20 3c 90 79 65 73 91 20  |         <.yes. |
000009c0  63 6f 6d 6d 61 6e 64 3e  20 5b 3c 90 6e 6f 91 20  |command> [<.no. |
000009d0  63 6f 6d 6d 61 6e 64 3e  5d 0a 20 20 20 20 20 20  |command>].      |
000009e0  20 20 20 20 20 7c 20 3c  63 6f 6d 6d 61 6e 64 3e  |     | <command>|
000009f0  20 3c 90 79 65 73 91 20  70 61 72 61 6d 3e 20 3c  | <.yes. param> <|
00000a00  90 6e 6f 91 20 70 61 72  61 6d 3e 0a 0a 20 20 31  |.no. param>..  1|
00000a10  29 20 2a 49 66 54 68 65  72 65 49 73 20 5b 6f 70  |) *IfThereIs [op|
00000a20  74 69 6f 6e 73 5d 20 3c  6f 62 6a 65 63 74 3e 20  |tions] <object> |
00000a30  3c 63 6f 6d 6d 61 6e 64  3e 0a 20 20 20 20 20 20  |<command>.      |
00000a40  20 20 3c 63 6f 6d 6d 61  6e 64 3e 20 65 78 65 63  |  <command> exec|
00000a50  75 74 65 64 20 69 66 20  3c 6f 62 6a 65 63 74 3e  |uted if <object>|
00000a60  20 66 6f 75 6e 64 0a 20  20 20 20 20 20 20 0a 20  | found.       . |
00000a70  20 32 29 20 2a 49 66 54  68 65 72 65 49 73 20 5b  | 2) *IfThereIs [|
00000a80  6f 70 74 69 6f 6e 73 5d  20 3c 6f 62 6a 65 63 74  |options] <object|
00000a90  3e 20 3c 63 6f 6d 6d 61  6e 64 5f 31 3e 20 3c 63  |> <command_1> <c|
00000aa0  6f 6d 6d 61 6e 64 5f 32  3e 0a 20 20 20 20 20 20  |ommand_2>.      |
00000ab0  20 20 3c 63 6f 6d 6d 61  6e 64 5f 31 3e 20 65 78  |  <command_1> ex|
00000ac0  65 63 75 74 65 64 20 69  66 20 3c 6f 62 6a 65 63  |ecuted if <objec|
00000ad0  74 3e 20 66 6f 75 6e 64  0a 20 20 20 20 20 20 20  |t> found.       |
00000ae0  20 3c 63 6f 6d 6d 61 6e  64 5f 32 3e 20 65 78 65  | <command_2> exe|
00000af0  63 75 74 65 64 20 69 66  20 6e 6f 74 20 66 6f 75  |cuted if not fou|
00000b00  6e 64 0a 20 20 20 20 20  20 20 0a 20 20 33 29 20  |nd.       .  3) |
00000b10  2a 49 66 54 68 65 72 65  49 73 20 5b 6f 70 74 69  |*IfThereIs [opti|
00000b20  6f 6e 73 5d 20 3c 6f 62  6a 65 63 74 3e 20 3c 63  |ons] <object> <c|
00000b30  6f 6d 6d 61 6e 64 3e 20  3c 70 61 72 61 6d 5f 31  |ommand> <param_1|
00000b40  3e 20 3c 70 61 72 61 6d  5f 32 3e 0a 20 20 20 20  |> <param_2>.    |
00000b50  20 20 20 20 3c 63 6f 6d  6d 61 6e 64 3e 20 3c 70  |    <command> <p|
00000b60  61 72 61 6d 5f 31 3e 20  65 78 65 63 75 74 65 64  |aram_1> executed|
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