Home » Archimedes archive » Acorn User » AU 1996-08.adf » Regulars » StarInfo/Boura/Files/AppEnsure

StarInfo/Boura/Files/AppEnsure

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 1996-08.adf » Regulars
Filename: StarInfo/Boura/Files/AppEnsure
Read OK:
File size: 096E bytes
Load address: 0000
Exec address: 0000
File contents
   10REM (c) ArmAge software (Malcolm Boura), 1995
   20REM This program is placed in the public domain, subject to the conditions
   30REM given in the !help file in !Director by Nick Craig-Wood, except the first
   40REM which applies to me, not Nick!
   50
   60REM this program is primarily for use with !Director but may have wider application
   70
   80REM Syntax: AppEnsure <name> <command>
   90REM <name> that may be registered with task manager
  100REM <command> to execute if <name> found
  110
  120REM it would be useful to add an optional automatic iconbar click
  130REM but that will require more thought
  140
  150REM ON ERROR PRINT "AppEnsure: "; REPORT$; " at line "; ERL/10: END
  160ON ERROR: ON ERROR OFF: ERROR EXT ERR,"AppEnsure: "+REPORT$: REM +" at "+STR$ERL
  170
  180DIM buffer 256
  190
  200SYS "OS_GetEnv" TO string
  210string$ = FNstring_c(string)
  220i = INSTR(string$, """")
  230i = INSTR(string$, """", i+1)
  240string$ = FNstring_strip(MID$(string$, i+1))
  250
  260REM find the task name
  270i = 1
  280task$ = FNstring_commandItem(string$, i)
  290IF task$ = "" ERROR 0, "AppEnsure: No application given so pointless"
  300
  310REM find the command to run
  320com$ = FNstring_commandItem(string$, i)
  330IF com$ = "" ERROR 0, "AppEnsure: No command given so pointless"
  340
  350r0 = 0
  360count = 0
  370REPEAT
  380  SYS "TaskManager_EnumerateTasks", r0, buffer, 16 TO r0
  390  IF FNstring_c(buffer!4) = task$ THEN count += 1
  400UNTIL r0 <= 0
  410
  420IF count = 0 THEN OSCLI com$
  430END
  440
  450DEF FNstring_commandItem(string$, RETURN i)
  460LOCAL item$, j
  470i = FNstring_skip(string$, " ", i)
  480IF MID$(string$, i, 1) = """" THEN
  490  j = INSTR(string$, """", i+1)
  500  WHILE MID$(string$, j+1, 1) = """"
  510    j = INSTR(string$, """", j+2)
  520  ENDWHILE
  530  IF j = 0 ERROR 0, "Mismatched quotes"
  540  item$ = MID$(string$, i+1, j-i-1)
  550  i = j+1
  560ELSE
  570  item$ = FNstring_token(string$, " ", i)
  580ENDIF
  590= item$
  600
  610DEF FNstring_skip(string$, skip$, from%)
  620WHILE MID$(string$, from%, 1) = skip$
  630  from% += 1
  640ENDWHILE
  650= from%
  660
  670DEF FNstring_strip(a$)
  680REM 1.0 16/6/91
  690WHILE LEFT$(a$,1)=" "
  700   a$=MID$(a$,2)
  710   ENDWHILE
  720WHILE RIGHT$(a$,1)=" "
  730   a$=LEFT$(a$,LENa$-1)
  740   ENDWHILE
  750=a$
  760
  770DEF FNstring_token(string$, token$, RETURN i%)
  780REM 2/3/93
  790LOCAL p%, a$
  800IF i% = -1 THEN =""
  810IF i% = 0 THEN i% = 1
  820p% = INSTR(string$, token$, i%)
  830IF p% = 0 THEN
  840  a$ = MID$(string$, i%)
  850  i% = -1
  860ELSE
  870  a$ = MID$(string$, i%, p%-i%)
  880  i% = p% + 1
  890ENDIF
  900= FNstring_strip(a$)
  910
  920DEF FNstring_c(p%)
  930REM 1.0 16/6/91
  940REM return zero terminated string pointed to by p%
  950LOCAL a$
  960WHILE ?p% > 31
  970  a$ = a$ + CHR$ ?p%
  980  p% += 1
  990ENDWHILE
 1000= a$

/� (c) ArmAge software (Malcolm Boura), 1995
L� This program is placed in the public domain, subject to the conditions
O� given in the !help file in !Director by Nick Craig-Wood, except the first
($� which applies to me, not Nick!
2
<U� this program is primarily for use with !Director but may have wider application
F
P(� Syntax: AppEnsure <name> <command>
Z5� <name> that may be registered with task manager
d*� <command> to execute if <name> found
n
xC� it would be useful to add an optional automatic iconbar click
�(� but that will require more thought
�
�E� ON ERROR PRINT "AppEnsure: "; REPORT$; " at line "; ERL/10: END
�9� �: � � �: � � �,"AppEnsure: "+�$: � +" at "+STR$ERL
�
�� buffer 256
�
�ș "OS_GetEnv" � string
�string$ = �string_c(string)
�i = �string$, """")
�i = �string$, """", i+1)
�+string$ = �string_strip(�string$, i+1))
�
� find the task name
	i = 1
+task$ = �string_commandItem(string$, i)
"D� task$ = "" � 0, "AppEnsure: No application given so pointless"
,
6� find the command to run
@*com$ = �string_commandItem(string$, i)
J?� com$ = "" � 0, "AppEnsure: No command given so pointless"
T
^
r0 = 0
h
count = 0
r�
|:  ș "TaskManager_EnumerateTasks", r0, buffer, 16 � r0
�0  � �string_c(buffer!4) = task$ � count += 1
�
� r0 <= 0
�
�� count = 0 � � com$
��
�
�'� �string_commandItem(string$, � i)
�� item$, j
�%i = �string_skip(string$, " ", i)
�� �string$, i, 1) = """" �
�  j = �string$, """", i+1)
�!  ȕ �string$, j+1, 1) = """"
�     j = �string$, """", j+2)
  �
&  � j = 0 � 0, "Mismatched quotes"
#  item$ = �string$, i+1, j-i-1)
&
  i = j+1
0�
:,  item$ = �string_token(string$, " ", i)
D�
N= item$
X
b)� �string_skip(string$, skip$, from%)
l"ȕ �string$, from%, 1) = skip$
v  from% += 1
��
�= from%
�
�� �string_strip(a$)
�� 1.0 16/6/91
�ȕ �a$,1)=" "
�   a$=�a$,2)
�   �
�ȕ �a$,1)=" "
�   a$=�a$,�a$-1)
�   �
�=a$
�
*� �string_token(string$, token$, � i%)
� 2/3/93
� p%, a$
 � i% = -1 � =""
*� i% = 0 � i% = 1
4p% = �string$, token$, i%)
>� p% = 0 �
H  a$ = �string$, i%)
R
  i% = -1
\�
f  a$ = �string$, i%, p%-i%)
p  i% = p% + 1
z�
�= �string_strip(a$)
�
�� �string_c(p%)
�� 1.0 16/6/91
�4� return zero terminated string pointed to by p%
�� a$
�ȕ ?p% > 31
�  a$ = a$ + � ?p%
�
  p% += 1
��
�= a$
�
00000000  0d 00 0a 2f f4 20 28 63  29 20 41 72 6d 41 67 65  |.../. (c) ArmAge|
00000010  20 73 6f 66 74 77 61 72  65 20 28 4d 61 6c 63 6f  | software (Malco|
00000020  6c 6d 20 42 6f 75 72 61  29 2c 20 31 39 39 35 0d  |lm Boura), 1995.|
00000030  00 14 4c f4 20 54 68 69  73 20 70 72 6f 67 72 61  |..L. This progra|
00000040  6d 20 69 73 20 70 6c 61  63 65 64 20 69 6e 20 74  |m is placed in t|
00000050  68 65 20 70 75 62 6c 69  63 20 64 6f 6d 61 69 6e  |he public domain|
00000060  2c 20 73 75 62 6a 65 63  74 20 74 6f 20 74 68 65  |, subject to the|
00000070  20 63 6f 6e 64 69 74 69  6f 6e 73 0d 00 1e 4f f4  | conditions...O.|
00000080  20 67 69 76 65 6e 20 69  6e 20 74 68 65 20 21 68  | given in the !h|
00000090  65 6c 70 20 66 69 6c 65  20 69 6e 20 21 44 69 72  |elp file in !Dir|
000000a0  65 63 74 6f 72 20 62 79  20 4e 69 63 6b 20 43 72  |ector by Nick Cr|
000000b0  61 69 67 2d 57 6f 6f 64  2c 20 65 78 63 65 70 74  |aig-Wood, except|
000000c0  20 74 68 65 20 66 69 72  73 74 0d 00 28 24 f4 20  | the first..($. |
000000d0  77 68 69 63 68 20 61 70  70 6c 69 65 73 20 74 6f  |which applies to|
000000e0  20 6d 65 2c 20 6e 6f 74  20 4e 69 63 6b 21 0d 00  | me, not Nick!..|
000000f0  32 04 0d 00 3c 55 f4 20  74 68 69 73 20 70 72 6f  |2...<U. this pro|
00000100  67 72 61 6d 20 69 73 20  70 72 69 6d 61 72 69 6c  |gram is primaril|
00000110  79 20 66 6f 72 20 75 73  65 20 77 69 74 68 20 21  |y for use with !|
00000120  44 69 72 65 63 74 6f 72  20 62 75 74 20 6d 61 79  |Director but may|
00000130  20 68 61 76 65 20 77 69  64 65 72 20 61 70 70 6c  | have wider appl|
00000140  69 63 61 74 69 6f 6e 0d  00 46 04 0d 00 50 28 f4  |ication..F...P(.|
00000150  20 53 79 6e 74 61 78 3a  20 41 70 70 45 6e 73 75  | Syntax: AppEnsu|
00000160  72 65 20 3c 6e 61 6d 65  3e 20 3c 63 6f 6d 6d 61  |re <name> <comma|
00000170  6e 64 3e 0d 00 5a 35 f4  20 3c 6e 61 6d 65 3e 20  |nd>..Z5. <name> |
00000180  74 68 61 74 20 6d 61 79  20 62 65 20 72 65 67 69  |that may be regi|
00000190  73 74 65 72 65 64 20 77  69 74 68 20 74 61 73 6b  |stered with task|
000001a0  20 6d 61 6e 61 67 65 72  0d 00 64 2a f4 20 3c 63  | manager..d*. <c|
000001b0  6f 6d 6d 61 6e 64 3e 20  74 6f 20 65 78 65 63 75  |ommand> to execu|
000001c0  74 65 20 69 66 20 3c 6e  61 6d 65 3e 20 66 6f 75  |te if <name> fou|
000001d0  6e 64 0d 00 6e 04 0d 00  78 43 f4 20 69 74 20 77  |nd..n...xC. it w|
000001e0  6f 75 6c 64 20 62 65 20  75 73 65 66 75 6c 20 74  |ould be useful t|
000001f0  6f 20 61 64 64 20 61 6e  20 6f 70 74 69 6f 6e 61  |o add an optiona|
00000200  6c 20 61 75 74 6f 6d 61  74 69 63 20 69 63 6f 6e  |l automatic icon|
00000210  62 61 72 20 63 6c 69 63  6b 0d 00 82 28 f4 20 62  |bar click...(. b|
00000220  75 74 20 74 68 61 74 20  77 69 6c 6c 20 72 65 71  |ut that will req|
00000230  75 69 72 65 20 6d 6f 72  65 20 74 68 6f 75 67 68  |uire more though|
00000240  74 0d 00 8c 04 0d 00 96  45 f4 20 4f 4e 20 45 52  |t.......E. ON ER|
00000250  52 4f 52 20 50 52 49 4e  54 20 22 41 70 70 45 6e  |ROR PRINT "AppEn|
00000260  73 75 72 65 3a 20 22 3b  20 52 45 50 4f 52 54 24  |sure: "; REPORT$|
00000270  3b 20 22 20 61 74 20 6c  69 6e 65 20 22 3b 20 45  |; " at line "; E|
00000280  52 4c 2f 31 30 3a 20 45  4e 44 0d 00 a0 39 ee 20  |RL/10: END...9. |
00000290  85 3a 20 ee 20 85 20 87  3a 20 85 20 a2 20 9f 2c  |.: . . .: . . .,|
000002a0  22 41 70 70 45 6e 73 75  72 65 3a 20 22 2b f6 24  |"AppEnsure: "+.$|
000002b0  3a 20 f4 20 2b 22 20 61  74 20 22 2b 53 54 52 24  |: . +" at "+STR$|
000002c0  45 52 4c 0d 00 aa 04 0d  00 b4 10 de 20 62 75 66  |ERL......... buf|
000002d0  66 65 72 20 32 35 36 0d  00 be 04 0d 00 c8 1b c8  |fer 256.........|
000002e0  99 20 22 4f 53 5f 47 65  74 45 6e 76 22 20 b8 20  |. "OS_GetEnv" . |
000002f0  73 74 72 69 6e 67 0d 00  d2 1f 73 74 72 69 6e 67  |string....string|
00000300  24 20 3d 20 a4 73 74 72  69 6e 67 5f 63 28 73 74  |$ = .string_c(st|
00000310  72 69 6e 67 29 0d 00 dc  17 69 20 3d 20 a7 73 74  |ring)....i = .st|
00000320  72 69 6e 67 24 2c 20 22  22 22 22 29 0d 00 e6 1c  |ring$, """")....|
00000330  69 20 3d 20 a7 73 74 72  69 6e 67 24 2c 20 22 22  |i = .string$, ""|
00000340  22 22 2c 20 69 2b 31 29  0d 00 f0 2b 73 74 72 69  |"", i+1)...+stri|
00000350  6e 67 24 20 3d 20 a4 73  74 72 69 6e 67 5f 73 74  |ng$ = .string_st|
00000360  72 69 70 28 c1 73 74 72  69 6e 67 24 2c 20 69 2b  |rip(.string$, i+|
00000370  31 29 29 0d 00 fa 04 0d  01 04 18 f4 20 66 69 6e  |1))......... fin|
00000380  64 20 74 68 65 20 74 61  73 6b 20 6e 61 6d 65 0d  |d the task name.|
00000390  01 0e 09 69 20 3d 20 31  0d 01 18 2b 74 61 73 6b  |...i = 1...+task|
000003a0  24 20 3d 20 a4 73 74 72  69 6e 67 5f 63 6f 6d 6d  |$ = .string_comm|
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000003d0  20 22 22 20 85 20 30 2c  20 22 41 70 70 45 6e 73  | "" . 0, "AppEns|
000003e0  75 72 65 3a 20 4e 6f 20  61 70 70 6c 69 63 61 74  |ure: No applicat|
000003f0  69 6f 6e 20 67 69 76 65  6e 20 73 6f 20 70 6f 69  |ion given so poi|
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00000420  64 20 74 6f 20 72 75 6e  0d 01 40 2a 63 6f 6d 24  |d to run..@*com$|
00000430  20 3d 20 a4 73 74 72 69  6e 67 5f 63 6f 6d 6d 61  | = .string_comma|
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00000470  65 3a 20 4e 6f 20 63 6f  6d 6d 61 6e 64 20 67 69  |e: No command gi|
00000480  76 65 6e 20 73 6f 20 70  6f 69 6e 74 6c 65 73 73  |ven so pointless|
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000004d0  54 61 73 6b 73 22 2c 20  72 30 2c 20 62 75 66 66  |Tasks", r0, buff|
000004e0  65 72 2c 20 31 36 20 b8  20 72 30 0d 01 86 30 20  |er, 16 . r0...0 |
000004f0  20 e7 20 a4 73 74 72 69  6e 67 5f 63 28 62 75 66  | . .string_c(buf|
00000500  66 65 72 21 34 29 20 3d  20 74 61 73 6b 24 20 8c  |fer!4) = task$ .|
00000510  20 63 6f 75 6e 74 20 2b  3d 20 31 0d 01 90 0d fd  | count += 1.....|
00000520  20 72 30 20 3c 3d 20 30  0d 01 9a 04 0d 01 a4 18  | r0 <= 0........|
00000530  e7 20 63 6f 75 6e 74 20  3d 20 30 20 8c 20 ff 20  |. count = 0 . . |
00000540  63 6f 6d 24 0d 01 ae 05  e0 0d 01 b8 04 0d 01 c2  |com$............|
00000550  27 dd 20 a4 73 74 72 69  6e 67 5f 63 6f 6d 6d 61  |'. .string_comma|
00000560  6e 64 49 74 65 6d 28 73  74 72 69 6e 67 24 2c 20  |ndItem(string$, |
00000570  f8 20 69 29 0d 01 cc 0e  ea 20 69 74 65 6d 24 2c  |. i)..... item$,|
00000580  20 6a 0d 01 d6 25 69 20  3d 20 a4 73 74 72 69 6e  | j...%i = .strin|
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000005a0  22 20 22 2c 20 69 29 0d  01 e0 1e e7 20 c1 73 74  |" ", i)..... .st|
000005b0  72 69 6e 67 24 2c 20 69  2c 20 31 29 20 3d 20 22  |ring$, i, 1) = "|
000005c0  22 22 22 20 8c 0d 01 ea  1e 20 20 6a 20 3d 20 a7  |""" .....  j = .|
000005d0  73 74 72 69 6e 67 24 2c  20 22 22 22 22 2c 20 69  |string$, """", i|
000005e0  2b 31 29 0d 01 f4 21 20  20 c8 95 20 c1 73 74 72  |+1)...!  .. .str|
000005f0  69 6e 67 24 2c 20 6a 2b  31 2c 20 31 29 20 3d 20  |ing$, j+1, 1) = |
00000600  22 22 22 22 0d 01 fe 20  20 20 20 20 6a 20 3d 20  |""""...     j = |
00000610  a7 73 74 72 69 6e 67 24  2c 20 22 22 22 22 2c 20  |.string$, """", |
00000620  6a 2b 32 29 0d 02 08 07  20 20 ce 0d 02 12 26 20  |j+2)....  ....& |
00000630  20 e7 20 6a 20 3d 20 30  20 85 20 30 2c 20 22 4d  | . j = 0 . 0, "M|
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00000800  0d 03 20 13 e7 20 69 25  20 3d 20 2d 31 20 8c 20  |.. .. i% = -1 . |
00000810  3d 22 22 0d 03 2a 15 e7  20 69 25 20 3d 20 30 20  |=""..*.. i% = 0 |
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00000870  20 20 69 25 20 3d 20 2d  31 0d 03 5c 05 cc 0d 03  |  i% = -1..\....|
00000880  66 1f 20 20 61 24 20 3d  20 c1 73 74 72 69 6e 67  |f.  a$ = .string|
00000890  24 2c 20 69 25 2c 20 70  25 2d 69 25 29 0d 03 70  |$, i%, p%-i%)..p|
000008a0  11 20 20 69 25 20 3d 20  70 25 20 2b 20 31 0d 03  |.  i% = p% + 1..|
000008b0  7a 05 cd 0d 03 84 17 3d  20 a4 73 74 72 69 6e 67  |z......= .string|
000008c0  5f 73 74 72 69 70 28 61  24 29 0d 03 8e 04 0d 03  |_strip(a$)......|
000008d0  98 13 dd 20 a4 73 74 72  69 6e 67 5f 63 28 70 25  |... .string_c(p%|
000008e0  29 0d 03 a2 11 f4 20 31  2e 30 20 31 36 2f 36 2f  |)..... 1.0 16/6/|
000008f0  39 31 0d 03 ac 34 f4 20  72 65 74 75 72 6e 20 7a  |91...4. return z|
00000900  65 72 6f 20 74 65 72 6d  69 6e 61 74 65 64 20 73  |ero terminated s|
00000910  74 72 69 6e 67 20 70 6f  69 6e 74 65 64 20 74 6f  |tring pointed to|
00000920  20 62 79 20 70 25 0d 03  b6 08 ea 20 61 24 0d 03  | by p%..... a$..|
00000930  c0 0f c8 95 20 3f 70 25  20 3e 20 33 31 0d 03 ca  |.... ?p% > 31...|
00000940  15 20 20 61 24 20 3d 20  61 24 20 2b 20 bd 20 3f  |.  a$ = a$ + . ?|
00000950  70 25 0d 03 d4 0d 20 20  70 25 20 2b 3d 20 31 0d  |p%....  p% += 1.|
00000960  03 de 05 ce 0d 03 e8 08  3d 20 61 24 0d ff        |........= a$..|
0000096e