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tired
 Post subject: Dynamic Label?
PostPosted: March 11th, 2009, 12:42 am 
Is this possible?
I want to generate a random number for a label so it won't be used again, like:

Random, MYLABEL, 1, 99999




%MYLABEL%:



But you can't put variables into the label in that way.


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System Monitor
 Post subject:
PostPosted: March 11th, 2009, 12:52 am 
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Joined: March 9th, 2007, 2:47 am
Posts: 509
Location: Unknown
There may be another way if you tell us what you want to do.


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gwarble
 Post subject:
PostPosted: September 12th, 2009, 2:41 am 
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Joined: May 23rd, 2009, 4:48 am
Posts: 361
Location: north bay, california
on a related note which may help him, i want something to the effect of:
Code:
Loop 5
 NotifyKill%A_Index%: ;create 5 labels
 ;do something
Return

to replace:
Code:
NotifyKill1:
NotifyKill2:
NotifyKill3:
NotifyKill4:
NotifyKill5:
;do something
Return


same basic question, except i would know what numbers are being used (to randomize, you could create label1-label10 and save a variable array Random1=7628, Random2=2324, etc if we could get the above working)

any ideas??
thanks, gwarble


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Fry
 Post subject:
PostPosted: September 13th, 2009, 5:14 pm 
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Joined: November 1st, 2007, 10:03 pm
Posts: 885
Bump


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purloinedheart
 Post subject:
PostPosted: September 14th, 2009, 1:33 am 
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Joined: April 4th, 2008, 8:15 pm
Posts: 538
Location: Canada
Caveman Attempt

Script 1
Code:
Loop 5
 Dynamic .= "Label" A_Index ":`n"
FileAppend %Dynamic%, Dynamic.txt
FileAppend Msgbox Caveman Worked!`nMsgbox Write rest of script here, Dynamic.txt

Script 2
Code:
#include Dynamic.txt
Goto label1


:wink:


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gwarble
 Post subject:
PostPosted: September 14th, 2009, 5:11 am 
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Joined: May 23rd, 2009, 4:48 am
Posts: 361
Location: north bay, california
hehe, nice


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gwarble
 Post subject:
PostPosted: September 16th, 2009, 8:27 am 
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Joined: May 23rd, 2009, 4:48 am
Posts: 361
Location: north bay, california
how about a new AHK command, Label, which acts just like HotKey,

Code:
Loop 5
 Label, DynamicLabel%A_Index%, DynamicLabel

DynamicLabel:
 MsgBox, % A_ThisLabel
Return


yeah, obviously all five dynamically created variables would run the same label "sub", but if the A_ThisLabel variable was updated properly it would solve some reasons for this requested ability, at least for me

i don't know how ahk internally deals with labels which is preventing something like this... but if the list of labels is created once at script start, a way to specify a range of possible dynamic labels may be necessary...

- gwarble


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Relayer
 Post subject:
PostPosted: June 25th, 2010, 6:16 pm 
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Joined: November 24th, 2008, 7:22 pm
Posts: 73
I just thought of a good use for dynamic labels. This is one example only; there may be others.

I like this version of a switch:
Code:
Loop 1 ; switch
{ 
   Goto % IsLabel("Case(" . foo . ")") ? "Case(" . foo . ")" : "Case_Default"
            Case(a):
              bar := 10
              break
            Case(b):
              bar := 11
              break
            Case(c):
              bar := 12
              break
            Case_Default:
              letter =
              break
         }


It would be convenient to place a token (syntax TBD) that would be automatically preprocessed to assign unique labels before the script is actually run. For example, "Case_Default" would become "Case[token]_Default". Token would be replaced with a unique number during preprocessing so that each instance of a switch would generate guaranteed unique labels and free the writer to simply use a common syntax for all instances.


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Relayer
 Post subject:
PostPosted: June 25th, 2010, 9:49 pm 
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Joined: November 24th, 2008, 7:22 pm
Posts: 73
OK, I just went ahead and did it...

Here is the preprocessor. It takes a .ahk file passed to it and assigns random numbers to all places containing a token, saves it to a temp file and runs it before killing itself.
Code:
#NoEnv

If (%0% > 0)
{
   in = %1%
   PreProcess(in)
}
ExitApp


PreProcess(file)
{
   token := "[rn]"
   Random, rnum, 0
   FileDelete, %A_ScriptDir%\tmp.ahk
   
   Loop, Read, %A_ScriptDir%\%file%
   {
      OldLine := A_LoopReadLine
               
      IfInString, OldLine, %token%
         StringReplace, NewLine, OldLine, %token%, %rnum%, All
      else
         NewLine := OldLine
      
      FileAppend, %NewLine%`n, %A_ScriptDir%\tmp.ahk
      
      IfInString, OldLine, Case%token%_Default:
         Random, rnum, 0  ;generate new random number for next switch
   }
   Run, %A_ScriptDir%\tmp.ahk
}


So, running the preprocessor takes this:
Code:
Loop 1 ; switch
         { 
            Goto % IsLabel("Case[rn](" . foo . ")") ? "Case[rn](" . foo . ")" : "Case[rn]_Default"
            Case[rn](a):
              foo := 10
              break
            Case[rn](b):
              foo := 11
              break
            Case[rn](c):
              foo := 12
              break
            Case[rn](d):
              foo := 13
              break
            Case[rn](e):
              foo := 14
              break
            Case[rn](f):
              foo := 15
              break    
            Case[rn]_Default:
              break
         }
         
Case[rn]_Default:
Case[rn]_Default:
Case[rn]_Default:
Case[rn]_Default:         


... and turns it into this
Code:
Loop 1 ; switch
         { 
            Goto % IsLabel("Case1097872240(" . foo . ")") ? "Case1097872240(" . foo . ")" : "Case1097872240_Default"
            Case1097872240(a):
              foo := 10
              break
            Case1097872240(b):
              foo := 11
              break
            Case1097872240(c):
              foo := 12
              break
            Case1097872240(d):
              foo := 13
              break
            Case1097872240(e):
              foo := 14
              break
            Case1097872240(f):
              foo := 15
              break    
            Case1097872240_Default:
              break
         }
         
Case1504552248_Default:
Case1570426814_Default:
Case1402824234_Default:
Case1803565540_Default:   


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