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NizonRox

Remove elements from array with arraysearch

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NizonRox

Hi, i'm currently facing problems with understanding how arrays work, or atleast a few commands that alter arrays.

My current situation is:

1. I'm taking the process list and putting it all in an array
2. I want to remove the boring common windows processes
3. Profit

And i'm currently stuck on step 2, while i already found this thread it dosn't seem that i can make it do what i want.

Current code:

Local $PList = ProcessList()
Local $RL[6] = ["smss.exe", "csrss.exe", "svchost.exe", "iexplore.exe", "chrome.exe", "conhost.exe"]
Sleep(1)
For $i=1 To Ubound($RL)-1
   Sleep(1)
   While Not @Error
   $iIndex = _ArraySearch($PList, $RL[$i], 1, 0, 0, 1)
   _ArrayDelete($PList, $iIndex)
   WEnd
Next

It seems to remove all but smss.exe from the array list unless i have it two times in the array.

 

Note: The sleep(1) is there to clear the error else the command wont fire for the rest of the array, any other way of doing it?

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Juvigy

because you do

For $i=1 To Ubound($RL)-1

instead of

For $i=0 To Ubound($RL)-1

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BrewManNH

Also, you should do it this way instead.

For $i=Ubound($RL)-1 to 0 Step -1

Otherwise,  you'll find out you're deleting the wrong elements very quickly.


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NizonRox
13 hours ago, BrewManNH said:

Also, you should do it this way instead.

For $i=Ubound($RL)-1 to 0 Step -1

Otherwise,  you'll find out you're deleting the wrong elements very quickly.

Thanks, i found out that it's going to be a hassel to remove all the processes i don't want in my array. So i was thinking if there is there a way to remove everything in my array that dosn't match another array?

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jchd

Try this:

Local $PList = ProcessList()
;~ _ArrayDisplay($PList)
Local $RL = ["smss", "csrss", "svchost", "iexplore.exe", "chrome", "conhost"]
Local $sTabooP = "(?i)((?:" & _ArrayToString($RL) & ")(?:\.exe)?\*?)"
Local $sProc
For $i = 1 To UBound($PList) - 2
    $sProc &= $PList[$i][0] & '*'       ; use * as séparator
Next
$sProc &= $PList[$i][0]     ; no final séparator

Local $sUserP = StringRegExpReplace($sProc, $sTabooP, "")
Local $aUserP = StringSplit($sUserP, '*', 2)
_ArrayDisplay($aUserP)

 

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RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

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A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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NizonRox
13 minutes ago, jchd said:

Try this:

Local $PList = ProcessList()
;~ _ArrayDisplay($PList)
Local $RL = ["smss", "csrss", "svchost", "iexplore.exe", "chrome", "conhost"]
Local $sTabooP = "(?i)((?:" & _ArrayToString($RL) & ")(?:\.exe)?\*?)"
Local $sProc
For $i = 1 To UBound($PList) - 2
    $sProc &= $PList[$i][0] & '*'       ; use * as séparator
Next
$sProc &= $PList[$i][0]     ; no final séparator

Local $sUserP = StringRegExpReplace($sProc, $sTabooP, "")
Local $aUserP = StringSplit($sUserP, '*', 2)
_ArrayDisplay($aUserP)

 

This looks kind of caotic, mind explaining what to expect from this?

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jchd

You asked for a solution to your problem and I provided a fairly good one. Did you at least bother to run it?

The idea is to avoid O(n*m) array lookup and m*ArrayDelete. First a list of processes is grabbed, then we build a string of process names delimited by * which can't be found in process names. The list of processes you don't want to see is also converted into a string, each being separated by |which is suited for a regexp pattern. It even makes the .exe suffix optional in taboo list, as you would have noticed if you had taken a few seconds to look at the code.

We now use the power of a regular expression to remove any taboo name from the process list, convert what remains back to an array and display it.

So care to explain what is "caotic" there?


This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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Bilgus
Posted (edited)

@jcHD You are already using _ArrayToString why not for plist as well?

#include <array.au3>
;Local $PList = ProcessList()
;Local $sProc
;~ _ArrayDisplay($PList)
Local $RL = ["smss", "csrss", "svchost", "iexplore.exe", "chrome", "conhost"]
Local $sTabooP = "(?i)((?:" & _ArrayToString($RL) & ")(?:\.exe)?\*?)"
Local $sProc = _ArrayToString(ProcessList(),"|",1, Default,"*",0,0)
#cs
For $i = 1 To UBound($PList) - 2
    $sProc &= $PList[$i][0] & '*'       ; use * as séparator
Next
$sProc &= $PList[$i][0]     ; no final séparator
#ce
Local $sUserP = StringRegExpReplace($sProc, $sTabooP, "")
Local $aUserP = StringSplit($sUserP, '*', 2)
_ArrayDisplay($aUserP)
#include <array.au3>
Local $RL = ["smss", "csrss", "svchost", "iexplore.exe", "chrome", "conhost"]
Local $sTabooP = "(?i)((?:" & _ArrayToString($RL) & ")(?:\.exe)?\*?)"
Local $sProc = _ArrayToString(ProcessList(),"|",1, Default,"*",0,0)
Local $sUserP = StringRegExpReplace($sProc, $sTabooP, "")
Local $aUserP = StringSplit($sUserP, '*', 2)
_ArrayDisplay($aUserP)

 

Edited by Bilgus

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jchd

Because the process list is a 2D array, with process name and PID. I've examplified how to obtain the list on non-taboo process names only, but it's a trivial change to obtain both the names and their PID. I didn't have AutoIt handy to check which parameters to pass to _ArrayToString to obtain the same result.

  • Like 1

This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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