Search for a string

Hello!
It´s me again...
I´ve created a VI that outputs a sting with a filepath if an error has
occured. This is to be displayed on the screen when the measurement is
stopped.
So, this VI is located in a FOR loop. Enable indexing is active. I have
wired it to a SEARCH 1D ARRAY VI. I want to scan the Array/String for the
occurances of " :\ " If :\ occures, my intention is to display the full path
on the screen.
My question now is, what shall I type in my ELEMENT constant to the VI? The
path might be, for example, C:\NISSE\TEMP. I am only interested in the
occurance of :\ because I don´t know the path they want to run this VI to...
TIA,
Peter Jansson,
Teracom Malmö

Peter Jansson, Teracom Malmoe wrote:
> Hello!
> It´s me again...
> I´ve created a VI that outputs a sting with a filepath if an error has
> occured. This is to be displayed on the screen when the measurement is
> stopped.
> So, this VI is located in a FOR loop. Enable indexing is active. I have
> wired it to a SEARCH 1D ARRAY VI. I want to scan the Array/String for the
> occurances of " :\ " If :\ occures, my intention is to display the full path
> on the screen.
> My question now is, what shall I type in my ELEMENT constant to the VI? The
> path might be, for example, C:\NISSE\TEMP. I am only interested in the
> occurance of :\ because I don´t know the path they want to run this VI to...
> TIA,
> Peter Jansson,
> Teracom Malmö
The short answer is that you can't do
it that way - search 1D array
will only match a whole element. You need to check for the error
inside the for loop. I would do this by using match pattern, checking
to see if the index is greater than or equal to zero, and outputing
that as a boolean array from the for loop. You can then OR all the
elements of the boolean array to determine if an error occurred, and
if it did, search in the boolean array for the first true value to
find the index of the corresponding string.
Gavin Burnell Dept. Materials Science and Metallurgy
Device Materials Group University of Cambridge, UK
Gavin Burnell
Condensed Matter Physics Group, University of Leeds, UK
http://www.stoner.leeds.ac.uk/

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Ok, so you have an array of Strings. And if the string you are searching for is in the array, you need to remove it from the array.
Is that right?
Can you use an ArrayList<String> instead of a String[ ]?
To find it, you would just do:
for (String item : myArray){
   if (item.equals(searchString){
      // remove the element. Not trivial for arrays, very easy for ArrayList
}Heck, with an arraylist you might be able to do the following:
arrayList.remove(arrayList.indexOf(searchString));[edit]
the above assumes you are using 1.5
uses generics and for each loop
[edit2]
and kinda won't work it you have to use an array since you will need the array index to be able to remove it. See the previous post for that, then set the value in that array index to null.
Message was edited by:
BaltimoreJohn

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>
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