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kor

method to use for array value when unknown size?

6 posts in this topic

I have a need to split apart a file path and look at the very last element. But I never know how big the array is going to be.

For instance, if I have a file path that looks like this

serversharefolderAfolderBfolderC

I need to look at the very last folder after the final "" (in this case, folderC)

But I could also have a file path that looks like

servershareFolderA

So regardless of how deep the file path goes, I always need to look at the last folder. I already know how to break apart the path, but not sure what method I would use to analyze the last folder when I don't know how deep the path could be.

Can anyone point me in the right direction?

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UBound()


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Updated: 04/09/2015

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If you're using StringSplit, the resultant array's [0] index will show you how many total elements there are.

Quick and dirty example:

$sDir = "c:\Users\Hades\Desktop\Test\Test1\Test2"
Local $aArray = StringSplit($sDir, "\")
$x = $aArray[0]

ConsoleWrite($aArray[$x] & @CRLF)

√-1 2^3 ∑ π, and it was delicious!

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kor,

Use StringSplit with the count element and then use that count to index the final element: :)

#include <MsgBoxConstants.au3>

$sPath = "\\server\share\folderA\folderB\folderC"
$aSplit = StringSplit($sPath, "\")
MsgBox($MB_SYSTEMMODAL, "Final Folder", $aSplit[$aSplit[0]])

$sPath = "\\server\share\FolderA"
$aSplit = StringSplit($sPath, "\")
MsgBox($MB_SYSTEMMODAL, "Final Folder", $aSplit[$aSplit[0]]
Or use a RegEx: ;)

#include <MsgBoxConstants.au3>

$sPath = "\\server\share\folderA\folderB\folderC"
$sFinalFolder = StringRegExpReplace($sPath, "^.*\\(.*)$", "$1")
MsgBox($MB_SYSTEMMODAL, "Final Folder", $sFinalFolder)

$sPath = "\\server\share\FolderA"
$sFinalFolder = StringRegExpReplace($sPath, "^.*\\(.*)$", "$1")
MsgBox($MB_SYSTEMMODAL, "Final Folder", $sFinalFolder)
M23

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind._______My UDFs:

Spoiler

ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area

 

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#5 ·  Posted (edited)

 

If you're using StringSplit, the resultant array's [0] index will show you how many total elements there are.

Quick and dirty example:

$sDir = "c:\Users\Hades\Desktop\Test\Test1\Test2"
Local $aArray = StringSplit($sDir, "\")
$x = $aArray[0]

ConsoleWrite($aArray[$x] & @CRLF)

Just curious, why do I have to turn $aArray[0] into a new variable $x ?

I've noticed that if I do ConsoleWrite($aArray[0]) I get a number, but when I do $aArray[$x] I get the value.

Why is that?

Edit: $aArray[$aArray[0]] also works, but just wondering why I need to nest the value.

Edited by kor

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I've done it for readability, especially if I am going to use that var elsewhere, but it is personal preference. You can use the method Melba suggests just as well.


√-1 2^3 ∑ π, and it was delicious!

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