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StarterPak/!Newsbase/Transports/taylor/addgroup

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 » Recent acquisitions » Acorn ADFS disks » adfs_AcornUser_199508.adf » !Internet
Filename: StarterPak/!Newsbase/Transports/taylor/addgroup
Read OK:
File size: 0A40 bytes
Load address: 0000
Exec address: 0000
File contents
   10REM >addgroup
   20REM add a group to the <NewsBase$TaylorConfig>.active file
   30REM
   40REM Author:         Gunnar ZREPORTtl
   50REM Date:           19-Sep-1994
   60REM Last modified:  13-Nov-1994
   70
   80ONERROR REPORT:PRINT" at line ";ERL:END
   90
  100LIBRARY "<NewsBase$TaylorDir>.ScriptLib"
  110
  120REM get the command line parameters.
  130PROCentry
  140IF (argc = 3) THEN
  150    IF argv$(1) = "-n" THEN
  160        N$ = argv$(2)
  170    ELSE
  180        PROCexit(1, "Invalid Parameters")
  190    ENDIF
  200ELSE
  210    PROCexit(1, "Invalid Parameters")
  220ENDIF
  230REM remove spaces from group name
  240group$ = FNstripspaces(N$)
  250group$ = FNtolower(group$)
  260
  270path$ = FNgetenv("NewsBase$TaylorConfig")
  280IF path$ = "" THEN
  290    PROCexit(1, "NewsBase$TaylorConfig has not been found")
  300ENDIF
  310
  320IF FNobjtype(path$ + ".active") <> 0 THEN
  330    REM we make a copy of our current groups file. Then we copy
  340    REM that back line by line, inserting the new group where it
  350    REM lexically fits in.
  360    OSCLI ("copy " + path$ + ".active " + path$ + ".active~ F~C~V")
  370    in% = OPENIN(path$ + ".active~")
  380    IF in% = 0 THEN PROCexit(1, "could not open active~ file")
  390    out% = OPENOUT(path$ + ".active")
  400    IF out% = 0 THEN PROCexit(1, "could not open active file")
  410    o$ = GET$#in%
  420    WHILE o$ <> ""
  430        n$ = GET$#in%
  440        BPUT #out%, o$
  450        REM IF o$ < group$ AND n$ > group$ THEN
  460        IF n$="" THEN
  470            BPUT #out%, group$
  480        ENDIF
  490        o$ = n$
  500    ENDWHILE
  510    CLOSE #in%
  520    CLOSE #out%
  530ELSE
  540    out% = OPENOUT(path$ + ".active")
  550    IF out% = 0 THEN PROCexit(1, "could not open groups file")
  560    BPUT #out%, group$
  570    CLOSE #out%
  580ENDIF
  590
  600OSCLI ("settype " + path$ + ".active FFF")
  610
  620REM update newgroups file... I am not sure wether this is going
  630REM to work as I expect it to... If this file is not writable,
  631REM don't complain, just ignore it.
  640REM p1$ = FNgetenv("NewsDir$Dir")
  650REM IF p1$ <> "" THEN
  660REM     p1$ += ".scrap.NewTaylor"
  670REM     IF FNobjtype(p1$) <> 0 THEN
  680REM         u% = OPENUP(p1$)
  690REM     ELSE
  700REM         u% = OPENOUT(p1$)
  710REM     ENDIF
  711REM     IF u% > 0 THEN
  720REM         BPUT#u%, group$
  730REM         CLOSE#u%
  731REM     ENDIF
  740REM ENDIF
  750
  760PROCexit(0, "Group added")
  770END
  780
  790REM convert all characters in a string to lowercase.
  800REM
  810DEF FNtolower(a$)
  820LOCAL i%, c$, cdiff
  830cdiff = ASC"a" - ASC"A"
  840FOR i% = 1 TO LENa$
  850    c$ = MID$(a$, i%, 1)
  860    IF c$ >= "A" AND c$ <= "Z" THEN
  870        MID$(a$, i%, 1) = CHR$(ASC(c$) + cdiff)
  880    ENDIF
  890= a$
  900
  910REM exit from here, returning appropriate info.
  920REM
  930DEFPROCexit(n%,a$)
  940OSCLI("set NewsBase$ReturnCode "+STR$n%)
  950OSCLI("set NewsBase$ReturnInfo "+a$)
  960END
  970ENDPROC
  980
  990DEFFNobjtype(f$)
 1000LOCALF%
 1010SYS"XOS_File",17,f$TOt%;F%
 1020IF(F%AND1)THEN=-1:ELSE=t%

� >addgroup
<� add a group to the <NewsBase$TaylorConfig>.active file
�
(!� Author:         Gunnar Z�tl
2!� Date:           19-Sep-1994
<!� Last modified:  13-Nov-1994
F
P� �:�" at line ";�:�
Z
d'ț "<NewsBase$TaylorDir>.ScriptLib"
n
x&� get the command line parameters.
�
�entry
�� (argc = 3) �
�    � argv$(1) = "-n" �
�        N$ = argv$(2)
�	    �
�*        �exit(1, "Invalid Parameters")
�	    �
��
�&    �exit(1, "Invalid Parameters")
��
�#� remove spaces from group name
�group$ = �stripspaces(N$)
�group$ = �tolower(group$)

,path$ = �getenv("NewsBase$TaylorConfig")
� path$ = "" �
"<    �exit(1, "NewsBase$TaylorConfig has not been found")
,�
6
@(� �objtype(path$ + ".active") <> 0 �
JA    � we make a copy of our current groups file. Then we copy
TB    � that back line by line, inserting the new group where it
^    � lexically fits in.
hC    � ("copy " + path$ + ".active " + path$ + ".active~ F~C~V")
r#    in% = �(path$ + ".active~")
|;    � in% = 0 � �exit(1, "could not open active~ file")
�#    out% = �(path$ + ".active")
�;    � out% = 0 � �exit(1, "could not open active file")
�    o$ = �#in%
�    ȕ o$ <> ""
�        n$ = �#in%
�        � #out%, o$
�1        � IF o$ < group$ AND n$ > group$ THEN
�        � n$="" �
�            � #out%, group$
�
        �
�        o$ = n$
�	    �
�    � #in%
    � #out%
�
#    out% = �(path$ + ".active")
&;    � out% = 0 � �exit(1, "could not open groups file")
0    � #out%, group$
:    � #out%
D�
N
X*� ("settype " + path$ + ".active FFF")
b
lA� update newgroups file... I am not sure wether this is going
v@� to work as I expect it to... If this file is not writable,
w%� don't complain, just ignore it.
�#� p1$ = FNgetenv("NewsDir$Dir")
�� IF p1$ <> "" THEN
�#�     p1$ += ".scrap.NewTaylor"
�%�     IF FNobjtype(p1$) <> 0 THEN
��         u% = OPENUP(p1$)
��     ELSE
��         u% = OPENOUT(p1$)
��     ENDIF
��     IF u% > 0 THEN
��         BPUT#u%, group$
��         CLOSE#u%
��     ENDIF
�� ENDIF
�
��exit(0, "Group added")
�

6� convert all characters in a string to lowercase.
 �
*� �tolower(a$)
4� i%, c$, cdiff
>cdiff = �"a" - �"A"
H� i% = 1 � �a$
R    c$ = �a$, i%, 1)
\!    � c$ >= "A" � c$ <= "Z" �
f*        �a$, i%, 1) = �(�(c$) + cdiff)
p	    �
z= a$
�
�1� exit from here, returning appropriate info.
��
���exit(n%,a$)
�%�("set NewsBase$ReturnCode "+�n%)
�$�("set NewsBase$ReturnInfo "+a$)
��
��
�
�ݤobjtype(f$)
��F%
�ș"XOS_File",17,f$�t%;F%
��(F%�1)�=-1:�=t%
�
00000000  0d 00 0a 0f f4 20 3e 61  64 64 67 72 6f 75 70 0d  |..... >addgroup.|
00000010  00 14 3c f4 20 61 64 64  20 61 20 67 72 6f 75 70  |..<. add a group|
00000020  20 74 6f 20 74 68 65 20  3c 4e 65 77 73 42 61 73  | to the <NewsBas|
00000030  65 24 54 61 79 6c 6f 72  43 6f 6e 66 69 67 3e 2e  |e$TaylorConfig>.|
00000040  61 63 74 69 76 65 20 66  69 6c 65 0d 00 1e 05 f4  |active file.....|
00000050  0d 00 28 21 f4 20 41 75  74 68 6f 72 3a 20 20 20  |..(!. Author:   |
00000060  20 20 20 20 20 20 47 75  6e 6e 61 72 20 5a f6 74  |      Gunnar Z.t|
00000070  6c 0d 00 32 21 f4 20 44  61 74 65 3a 20 20 20 20  |l..2!. Date:    |
00000080  20 20 20 20 20 20 20 31  39 2d 53 65 70 2d 31 39  |       19-Sep-19|
00000090  39 34 0d 00 3c 21 f4 20  4c 61 73 74 20 6d 6f 64  |94..<!. Last mod|
000000a0  69 66 69 65 64 3a 20 20  31 33 2d 4e 6f 76 2d 31  |ified:  13-Nov-1|
000000b0  39 39 34 0d 00 46 04 0d  00 50 19 ee 85 20 f6 3a  |994..F...P... .:|
000000c0  f1 22 20 61 74 20 6c 69  6e 65 20 22 3b 9e 3a e0  |." at line ";.:.|
000000d0  0d 00 5a 04 0d 00 64 27  c8 9b 20 22 3c 4e 65 77  |..Z...d'.. "<New|
000000e0  73 42 61 73 65 24 54 61  79 6c 6f 72 44 69 72 3e  |sBase$TaylorDir>|
000000f0  2e 53 63 72 69 70 74 4c  69 62 22 0d 00 6e 04 0d  |.ScriptLib"..n..|
00000100  00 78 26 f4 20 67 65 74  20 74 68 65 20 63 6f 6d  |.x&. get the com|
00000110  6d 61 6e 64 20 6c 69 6e  65 20 70 61 72 61 6d 65  |mand line parame|
00000120  74 65 72 73 2e 0d 00 82  0a f2 65 6e 74 72 79 0d  |ters......entry.|
00000130  00 8c 12 e7 20 28 61 72  67 63 20 3d 20 33 29 20  |.... (argc = 3) |
00000140  8c 0d 00 96 1b 20 20 20  20 e7 20 61 72 67 76 24  |.....    . argv$|
00000150  28 31 29 20 3d 20 22 2d  6e 22 20 8c 0d 00 a0 19  |(1) = "-n" .....|
00000160  20 20 20 20 20 20 20 20  4e 24 20 3d 20 61 72 67  |        N$ = arg|
00000170  76 24 28 32 29 0d 00 aa  09 20 20 20 20 cc 0d 00  |v$(2)....    ...|
00000180  b4 2a 20 20 20 20 20 20  20 20 f2 65 78 69 74 28  |.*        .exit(|
00000190  31 2c 20 22 49 6e 76 61  6c 69 64 20 50 61 72 61  |1, "Invalid Para|
000001a0  6d 65 74 65 72 73 22 29  0d 00 be 09 20 20 20 20  |meters")....    |
000001b0  cd 0d 00 c8 05 cc 0d 00  d2 26 20 20 20 20 f2 65  |.........&    .e|
000001c0  78 69 74 28 31 2c 20 22  49 6e 76 61 6c 69 64 20  |xit(1, "Invalid |
000001d0  50 61 72 61 6d 65 74 65  72 73 22 29 0d 00 dc 05  |Parameters")....|
000001e0  cd 0d 00 e6 23 f4 20 72  65 6d 6f 76 65 20 73 70  |....#. remove sp|
000001f0  61 63 65 73 20 66 72 6f  6d 20 67 72 6f 75 70 20  |aces from group |
00000200  6e 61 6d 65 0d 00 f0 1d  67 72 6f 75 70 24 20 3d  |name....group$ =|
00000210  20 a4 73 74 72 69 70 73  70 61 63 65 73 28 4e 24  | .stripspaces(N$|
00000220  29 0d 00 fa 1d 67 72 6f  75 70 24 20 3d 20 a4 74  |)....group$ = .t|
00000230  6f 6c 6f 77 65 72 28 67  72 6f 75 70 24 29 0d 01  |olower(group$)..|
00000240  04 04 0d 01 0e 2c 70 61  74 68 24 20 3d 20 a4 67  |.....,path$ = .g|
00000250  65 74 65 6e 76 28 22 4e  65 77 73 42 61 73 65 24  |etenv("NewsBase$|
00000260  54 61 79 6c 6f 72 43 6f  6e 66 69 67 22 29 0d 01  |TaylorConfig")..|
00000270  18 12 e7 20 70 61 74 68  24 20 3d 20 22 22 20 8c  |... path$ = "" .|
00000280  0d 01 22 3c 20 20 20 20  f2 65 78 69 74 28 31 2c  |.."<    .exit(1,|
00000290  20 22 4e 65 77 73 42 61  73 65 24 54 61 79 6c 6f  | "NewsBase$Taylo|
000002a0  72 43 6f 6e 66 69 67 20  68 61 73 20 6e 6f 74 20  |rConfig has not |
000002b0  62 65 65 6e 20 66 6f 75  6e 64 22 29 0d 01 2c 05  |been found")..,.|
000002c0  cd 0d 01 36 04 0d 01 40  28 e7 20 a4 6f 62 6a 74  |...6...@(. .objt|
000002d0  79 70 65 28 70 61 74 68  24 20 2b 20 22 2e 61 63  |ype(path$ + ".ac|
000002e0  74 69 76 65 22 29 20 3c  3e 20 30 20 8c 0d 01 4a  |tive") <> 0 ...J|
000002f0  41 20 20 20 20 f4 20 77  65 20 6d 61 6b 65 20 61  |A    . we make a|
00000300  20 63 6f 70 79 20 6f 66  20 6f 75 72 20 63 75 72  | copy of our cur|
00000310  72 65 6e 74 20 67 72 6f  75 70 73 20 66 69 6c 65  |rent groups file|
00000320  2e 20 54 68 65 6e 20 77  65 20 63 6f 70 79 0d 01  |. Then we copy..|
00000330  54 42 20 20 20 20 f4 20  74 68 61 74 20 62 61 63  |TB    . that bac|
00000340  6b 20 6c 69 6e 65 20 62  79 20 6c 69 6e 65 2c 20  |k line by line, |
00000350  69 6e 73 65 72 74 69 6e  67 20 74 68 65 20 6e 65  |inserting the ne|
00000360  77 20 67 72 6f 75 70 20  77 68 65 72 65 20 69 74  |w group where it|
00000370  0d 01 5e 1c 20 20 20 20  f4 20 6c 65 78 69 63 61  |..^.    . lexica|
00000380  6c 6c 79 20 66 69 74 73  20 69 6e 2e 0d 01 68 43  |lly fits in...hC|
00000390  20 20 20 20 ff 20 28 22  63 6f 70 79 20 22 20 2b  |    . ("copy " +|
000003a0  20 70 61 74 68 24 20 2b  20 22 2e 61 63 74 69 76  | path$ + ".activ|
000003b0  65 20 22 20 2b 20 70 61  74 68 24 20 2b 20 22 2e  |e " + path$ + ".|
000003c0  61 63 74 69 76 65 7e 20  46 7e 43 7e 56 22 29 0d  |active~ F~C~V").|
000003d0  01 72 23 20 20 20 20 69  6e 25 20 3d 20 8e 28 70  |.r#    in% = .(p|
000003e0  61 74 68 24 20 2b 20 22  2e 61 63 74 69 76 65 7e  |ath$ + ".active~|
000003f0  22 29 0d 01 7c 3b 20 20  20 20 e7 20 69 6e 25 20  |")..|;    . in% |
00000400  3d 20 30 20 8c 20 f2 65  78 69 74 28 31 2c 20 22  |= 0 . .exit(1, "|
00000410  63 6f 75 6c 64 20 6e 6f  74 20 6f 70 65 6e 20 61  |could not open a|
00000420  63 74 69 76 65 7e 20 66  69 6c 65 22 29 0d 01 86  |ctive~ file")...|
00000430  23 20 20 20 20 6f 75 74  25 20 3d 20 ae 28 70 61  |#    out% = .(pa|
00000440  74 68 24 20 2b 20 22 2e  61 63 74 69 76 65 22 29  |th$ + ".active")|
00000450  0d 01 90 3b 20 20 20 20  e7 20 6f 75 74 25 20 3d  |...;    . out% =|
00000460  20 30 20 8c 20 f2 65 78  69 74 28 31 2c 20 22 63  | 0 . .exit(1, "c|
00000470  6f 75 6c 64 20 6e 6f 74  20 6f 70 65 6e 20 61 63  |ould not open ac|
00000480  74 69 76 65 20 66 69 6c  65 22 29 0d 01 9a 12 20  |tive file").... |
00000490  20 20 20 6f 24 20 3d 20  be 23 69 6e 25 0d 01 a4  |   o$ = .#in%...|
000004a0  13 20 20 20 20 c8 95 20  6f 24 20 3c 3e 20 22 22  |.    .. o$ <> ""|
000004b0  0d 01 ae 16 20 20 20 20  20 20 20 20 6e 24 20 3d  |....        n$ =|
000004c0  20 be 23 69 6e 25 0d 01  b8 17 20 20 20 20 20 20  | .#in%....      |
000004d0  20 20 d5 20 23 6f 75 74  25 2c 20 6f 24 0d 01 c2  |  . #out%, o$...|
000004e0  31 20 20 20 20 20 20 20  20 f4 20 49 46 20 6f 24  |1        . IF o$|
000004f0  20 3c 20 67 72 6f 75 70  24 20 41 4e 44 20 6e 24  | < group$ AND n$|
00000500  20 3e 20 67 72 6f 75 70  24 20 54 48 45 4e 0d 01  | > group$ THEN..|
00000510  cc 15 20 20 20 20 20 20  20 20 e7 20 6e 24 3d 22  |..        . n$="|
00000520  22 20 8c 0d 01 d6 1f 20  20 20 20 20 20 20 20 20  |" .....         |
00000530  20 20 20 d5 20 23 6f 75  74 25 2c 20 67 72 6f 75  |   . #out%, grou|
00000540  70 24 0d 01 e0 0d 20 20  20 20 20 20 20 20 cd 0d  |p$....        ..|
00000550  01 ea 13 20 20 20 20 20  20 20 20 6f 24 20 3d 20  |...        o$ = |
00000560  6e 24 0d 01 f4 09 20 20  20 20 ce 0d 01 fe 0e 20  |n$....    ..... |
00000570  20 20 20 d9 20 23 69 6e  25 0d 02 08 0f 20 20 20  |   . #in%....   |
00000580  20 d9 20 23 6f 75 74 25  0d 02 12 05 cc 0d 02 1c  | . #out%........|
00000590  23 20 20 20 20 6f 75 74  25 20 3d 20 ae 28 70 61  |#    out% = .(pa|
000005a0  74 68 24 20 2b 20 22 2e  61 63 74 69 76 65 22 29  |th$ + ".active")|
000005b0  0d 02 26 3b 20 20 20 20  e7 20 6f 75 74 25 20 3d  |..&;    . out% =|
000005c0  20 30 20 8c 20 f2 65 78  69 74 28 31 2c 20 22 63  | 0 . .exit(1, "c|
000005d0  6f 75 6c 64 20 6e 6f 74  20 6f 70 65 6e 20 67 72  |ould not open gr|
000005e0  6f 75 70 73 20 66 69 6c  65 22 29 0d 02 30 17 20  |oups file")..0. |
000005f0  20 20 20 d5 20 23 6f 75  74 25 2c 20 67 72 6f 75  |   . #out%, grou|
00000600  70 24 0d 02 3a 0f 20 20  20 20 d9 20 23 6f 75 74  |p$..:.    . #out|
00000610  25 0d 02 44 05 cd 0d 02  4e 04 0d 02 58 2a ff 20  |%..D....N...X*. |
00000620  28 22 73 65 74 74 79 70  65 20 22 20 2b 20 70 61  |("settype " + pa|
00000630  74 68 24 20 2b 20 22 2e  61 63 74 69 76 65 20 46  |th$ + ".active F|
00000640  46 46 22 29 0d 02 62 04  0d 02 6c 41 f4 20 75 70  |FF")..b...lA. up|
00000650  64 61 74 65 20 6e 65 77  67 72 6f 75 70 73 20 66  |date newgroups f|
00000660  69 6c 65 2e 2e 2e 20 49  20 61 6d 20 6e 6f 74 20  |ile... I am not |
00000670  73 75 72 65 20 77 65 74  68 65 72 20 74 68 69 73  |sure wether this|
00000680  20 69 73 20 67 6f 69 6e  67 0d 02 76 40 f4 20 74  | is going..v@. t|
00000690  6f 20 77 6f 72 6b 20 61  73 20 49 20 65 78 70 65  |o work as I expe|
000006a0  63 74 20 69 74 20 74 6f  2e 2e 2e 20 49 66 20 74  |ct it to... If t|
000006b0  68 69 73 20 66 69 6c 65  20 69 73 20 6e 6f 74 20  |his file is not |
000006c0  77 72 69 74 61 62 6c 65  2c 0d 02 77 25 f4 20 64  |writable,..w%. d|
000006d0  6f 6e 27 74 20 63 6f 6d  70 6c 61 69 6e 2c 20 6a  |on't complain, j|
000006e0  75 73 74 20 69 67 6e 6f  72 65 20 69 74 2e 0d 02  |ust ignore it...|
000006f0  80 23 f4 20 70 31 24 20  3d 20 46 4e 67 65 74 65  |.#. p1$ = FNgete|
00000700  6e 76 28 22 4e 65 77 73  44 69 72 24 44 69 72 22  |nv("NewsDir$Dir"|
00000710  29 0d 02 8a 17 f4 20 49  46 20 70 31 24 20 3c 3e  |)..... IF p1$ <>|
00000720  20 22 22 20 54 48 45 4e  0d 02 94 23 f4 20 20 20  | "" THEN...#.   |
00000730  20 20 70 31 24 20 2b 3d  20 22 2e 73 63 72 61 70  |  p1$ += ".scrap|
00000740  2e 4e 65 77 54 61 79 6c  6f 72 22 0d 02 9e 25 f4  |.NewTaylor"...%.|
00000750  20 20 20 20 20 49 46 20  46 4e 6f 62 6a 74 79 70  |     IF FNobjtyp|
00000760  65 28 70 31 24 29 20 3c  3e 20 30 20 54 48 45 4e  |e(p1$) <> 0 THEN|
00000770  0d 02 a8 1e f4 20 20 20  20 20 20 20 20 20 75 25  |.....         u%|
00000780  20 3d 20 4f 50 45 4e 55  50 28 70 31 24 29 0d 02  | = OPENUP(p1$)..|
00000790  b2 0e f4 20 20 20 20 20  45 4c 53 45 0d 02 bc 1f  |...     ELSE....|
000007a0  f4 20 20 20 20 20 20 20  20 20 75 25 20 3d 20 4f  |.         u% = O|
000007b0  50 45 4e 4f 55 54 28 70  31 24 29 0d 02 c6 0f f4  |PENOUT(p1$).....|
000007c0  20 20 20 20 20 45 4e 44  49 46 0d 02 c7 18 f4 20  |     ENDIF..... |
000007d0  20 20 20 20 49 46 20 75  25 20 3e 20 30 20 54 48  |    IF u% > 0 TH|
000007e0  45 4e 0d 02 d0 1d f4 20  20 20 20 20 20 20 20 20  |EN.....         |
000007f0  42 50 55 54 23 75 25 2c  20 67 72 6f 75 70 24 0d  |BPUT#u%, group$.|
00000800  02 da 16 f4 20 20 20 20  20 20 20 20 20 43 4c 4f  |....         CLO|
00000810  53 45 23 75 25 0d 02 db  0f f4 20 20 20 20 20 45  |SE#u%.....     E|
00000820  4e 44 49 46 0d 02 e4 0b  f4 20 45 4e 44 49 46 0d  |NDIF..... ENDIF.|
00000830  02 ee 04 0d 02 f8 1b f2  65 78 69 74 28 30 2c 20  |........exit(0, |
00000840  22 47 72 6f 75 70 20 61  64 64 65 64 22 29 0d 03  |"Group added")..|
00000850  02 05 e0 0d 03 0c 04 0d  03 16 36 f4 20 63 6f 6e  |..........6. con|
00000860  76 65 72 74 20 61 6c 6c  20 63 68 61 72 61 63 74  |vert all charact|
00000870  65 72 73 20 69 6e 20 61  20 73 74 72 69 6e 67 20  |ers in a string |
00000880  74 6f 20 6c 6f 77 65 72  63 61 73 65 2e 0d 03 20  |to lowercase... |
00000890  05 f4 0d 03 2a 12 dd 20  a4 74 6f 6c 6f 77 65 72  |....*.. .tolower|
000008a0  28 61 24 29 0d 03 34 13  ea 20 69 25 2c 20 63 24  |(a$)..4.. i%, c$|
000008b0  2c 20 63 64 69 66 66 0d  03 3e 17 63 64 69 66 66  |, cdiff..>.cdiff|
000008c0  20 3d 20 97 22 61 22 20  2d 20 97 22 41 22 0d 03  | = ."a" - ."A"..|
000008d0  48 12 e3 20 69 25 20 3d  20 31 20 b8 20 a9 61 24  |H.. i% = 1 . .a$|
000008e0  0d 03 52 18 20 20 20 20  63 24 20 3d 20 c1 61 24  |..R.    c$ = .a$|
000008f0  2c 20 69 25 2c 20 31 29  0d 03 5c 21 20 20 20 20  |, i%, 1)..\!    |
00000900  e7 20 63 24 20 3e 3d 20  22 41 22 20 80 20 63 24  |. c$ >= "A" . c$|
00000910  20 3c 3d 20 22 5a 22 20  8c 0d 03 66 2a 20 20 20  | <= "Z" ...f*   |
00000920  20 20 20 20 20 c1 61 24  2c 20 69 25 2c 20 31 29  |     .a$, i%, 1)|
00000930  20 3d 20 bd 28 97 28 63  24 29 20 2b 20 63 64 69  | = .(.(c$) + cdi|
00000940  66 66 29 0d 03 70 09 20  20 20 20 cd 0d 03 7a 08  |ff)..p.    ...z.|
00000950  3d 20 61 24 0d 03 84 04  0d 03 8e 31 f4 20 65 78  |= a$.......1. ex|
00000960  69 74 20 66 72 6f 6d 20  68 65 72 65 2c 20 72 65  |it from here, re|
00000970  74 75 72 6e 69 6e 67 20  61 70 70 72 6f 70 72 69  |turning appropri|
00000980  61 74 65 20 69 6e 66 6f  2e 0d 03 98 05 f4 0d 03  |ate info........|
00000990  a2 11 dd f2 65 78 69 74  28 6e 25 2c 61 24 29 0d  |....exit(n%,a$).|
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