processing command line parameters

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processing command line parameters

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Ace_NoOne

Joined: 10 Oct 2005
Posts: 333
Location: Germany

Posted: Mon Jan 23, 2006 8:38 pm Post subject: processing command line parameters

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Since I couldn't find a function that processes command line parameters, I went to write one myself.
Not sure if it's perfect, but it seems to work fine (improvements are always welcome though):

Code:

; process command line parameters
getParams:
Loop, %0% ; for each parameter
{
   param := %A_Index%
   ; check for switches
   StringLeft, paramType, param, 1
   If paramType = - ; switch indicator
   {
      ; determine type of switch
      StringMid, switch, param, 2, 1
      ; settings file switch
      If switch = s
      {
         ; access value (= next parameter)
         param = % A_Index + 1
         file_settings := %param%
         MsgBox, settings file:`n%file_settings%
      }
   }
}
Return

This script checks whether there are any parameters at all, then goes on to check whether a parameter is a switch (i.e. starting with a minus char - this can easily be modified to check for slashes though) and retrieves the accompanying value (in this case, the desired settings file).

Last edited by Ace_NoOne on Mon Feb 12, 2007 9:48 am; edited 1 time in total

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Chris
Site Admin

Joined: 02 Mar 2004
Posts: 10471

Posted: Mon Jan 23, 2006 9:58 pm Post subject:

You're right, I don't recall seeing any others than yours posted. This kind of processing will definitely be useful.

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toralf

Joined: 31 Jan 2005
Posts: 3841
Location: Bremen, Germany

Posted: Wed Aug 16, 2006 6:24 pm Post subject:

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I shorted the function to its bare bone:

Code:

Loop, %0% { ;for each command line parameter
If (%A_Index% = "/in") ;check if known command line parameter exists
param_in := A_Index + 1 ;assign next command line parameter as value
Else If (%A_Index% = "/log")
param_log := A_Index + 1
}

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toralf

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Ace_NoOne

Joined: 10 Oct 2005
Posts: 333
Location: Germany

Posted: Mon Feb 12, 2007 9:47 am Post subject:

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toralf wrote:

I shorted the function to its bare bone:

Code:

Loop, %0% { ;for each command line parameter
If (%A_Index% = "/in") ;check if known command line parameter exists
param_in := A_Index + 1 ;assign next command line parameter as value
Else If (%A_Index% = "/log")
param_log := A_Index + 1
}

I might be a little late with this, but I just noticed that param_log := A_Index + 1 will just assign a number, not the actual content of the respective variable.
This you will need something like

Code:

param_log := A_Index + 1
param_log := %param_log%

Anyways, I really like your solution, toralf!

PS: I've removed the If 0 > 0 part from my original code; it's redundant, as Loop, %0% does not run if there are no command line parameters.
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