Last element in string

Hello all
I am having a string like this:
55.000000; 10.000000; 0.100000; 1.000000; 1.000000; 0.100000; 0.000000; 0.000000; 1.000000; 1.000000; 22.000000; 0.100000; 6144.000000;
The length of the string is not always same. What i want is to have the last element. i.e in this case 6144
One way is to get the string length and using string subset to get the last element. But for this, the length must be always constant.
Is there any other way to get the last element independant of the string length
thanks
Nghtcwrlr
********************Kudos are alwayzz Welcome !! ******************
Solved!
Go to Solution.

Since you have the extra semicolon at the end, I actually grabbed the second-to-last element of the array after the spreadsheet string to array.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions
Unofficial Forum Rules and Guidelines
Attachments:
Get last element.png ‏13 KB

Similar Messages

How to select the last elements in a string

Hi Guys
I am using UART RS232 protocol and i need to calculate the check sum. My data came in decimal and in the end it must be doubles to manipulate it. So my problem is, for example, the sum of all elemants is in decimal 1742 and in hex is 6CE and i wont only the last two elemants, CE that corresponds to 206 that is the result of my checksum. Can anyone help me?
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Go to Solution.
Attachments:
String last elements.vi ‏9 KB

Thanks Syrpimp
My data came from HMI in decimal like the example that i show above. Each cell is a value. You used an array, but i think that i can't use it because it must be done automatically and the data field have variable length.
The UART protocol frame has a start frame field that corresponds to two ‘{‘ characters and an end frame field that corresponds to two ‘}’. Additionally, besides the data field, that has variable length, it has a byte that corresponds to the command type and another that is the checksum. The following table illustrates the protocol.
Bytes considered in checksum
Command Data
Start Frame
Cmd
(hex)
Data0
Data1
Data2
Data3
Data4
Data5
Data6
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Fig. 1 UART communication protocol template
I receive data like this:
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I'm trying explain my doubt the best way i can and i thank you all.

How to remove only the last element of spreadsheet string

I use path to string option to store image path into database and while retrieving the string is again converted into path but it gives out an error as the output of array to spreadsheet string gives out a tab at the end which is unable for the IMAQ read file to recognise.but when i use the path of the image directly into IMAQ readfile the image is opened . so how to remove the tab only at the end of output of the spreadsheet string(whose length can vary)? I have also attached my program with this.
Attachments:
retrieve_images_from_DB.vi ‏65 KB
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indhu wrote:
> Thanks for your reply!
> But my problem is to remove only the last element(which is a tab or an
> alphabet) from a spreadsheet string of any length.
If you just want to remove the last character of a string just use the
String Size function reduce the result by one and wire it together with
the string to the Split String function.
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a division of Test & Measurement Solutions

Lots of blank space when printing array with only last element printed

I have a slight problem I have been trying to figure it out for days but can't see where my problem is, its probably staring me in the face but just can't seem to see it.
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A number of problems.
First, I bet you see a lot of "error at" messages, don't you? You create a 21x7 array, then go through the first array up to 21, going through the second one all the way to 21 as well.
your second for loop should go to flights[x].length, not flights.length. That will eliminate the need for ArrayIndexOutOfBounds checking, which should have been an indication that you were doing something wrong.
Second, when you get to flights[0][0] (the very first iteration of the inner loop) you are taking every element from the StringTokenizer and setting flights[0][0] to each, thereby overwriting the previous one. There will be nothing in the StringTokenizer left for any of the other (21x7)-1=146 array elements. At the end of all the loops, the very first element in the array (flights[0][0]) should contain the last token in the file.
At the end, you only print the first element (i=0, j=0, println(flight[ i][j])) which explains why you see the last element from the file.
I'm assuming you have a file with 21 lines, each of which has 7 items on the line. Here is some pseudo-code to help you out:
count the lines
reset the file
create a 2d array with the first dimension set to the number of lines.
int i = 0;
while (read a line) {
Tokenize the line;
count the tokens;
create an array whose size is the number of tokens;
stuff the tokens into the array;
set flights[i++] to this array;
}

Last element of DefaultStyledDocument has \n appended, why?

Hello!
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I would swim over the deepest ocean,
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Only for nights in Ballygrant
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I would swim over the deepest ocean,
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Thank you!
Annette
Message was edited by:
Annette

Sometimes a bit of sleep is better than any thinking!
I had an idea this morning and it seams to be working. I change the recursive method to:
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Do you think that this is a good solution? Or is it some kind of trial and error and not really understanding what is going on?
I would appreciate some advices. Thank you!
Annette

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John

Covert DOM element to String

It sounds very simple, however could not find any solution using JAXP.
What I need is that I have a DOM element, I want to convert the DOM element into String and store into the database. I used to do it using JDOM. It has a feature something like toString.
I know that serialization is another option, however, want to know how to do this way.

xmlString.getBytes()No, that causes your problem. Read the documentation to see what the getBytes() method does. Here's what you should do instead:Document document = documentBuilder.parse(new InputSource(new StringReader(xmlString)));This doesn't convert from String to bytes using a bad encoding. But you also say:
xmlString contains Japanese characters and was originally from a xml file with UTF-8 encoing.In this case there's a good chance that in reading from the file to the String you have also failed to use UTF-8 to do the decoding. Why not just pass a File object to the parser and let it deal with the encoding issues? It knows what to do.

Dom element to string

I have a method, the argument being passed in is a dom element.
The method will convert the element(and child node) to string. The string is then passed into a buffer writer to write to a file.
What is the easiest/fastest way to convert the dom element to string?
Is there a better way to write the element to a file?
Any sample code available?

You could try something like this:
    String elementToString(Element element)
    throws Exception
        StringWriter sw = new StringWriter();
        TransformerFactory tFactory = TransformerFactory.newInstance();
        Transformer transformer = tFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        DOMSource source = new DOMSource(element);
        StreamResult result = new StreamResult(sw);
        transformer.transform(source, result);
        return sw.toString();
    }Regards

Last element in structure

hey all-
i am trying to add a comma if this is last element in
structure:
<cfset stuff=structnew()>
<cfset stuff.first=1>
<cfset stuff.first_first=2>
<cfset stuff.first_first_first=3>
<cfset stuff.first_first_first_first=4>
<cfset stuff.first_first_first_first_first=5>
<cfdump var="#stuff#">
<cfoutput>
<cfloop collection="#stuff#" item="i">
'#stuff
#'<cfif StructCount(stuff) lt 6>,</cfif>
</cfloop>
</cfoutput>
but it is not workin. how do i get the last
element.

As Adam said structures are unordered and there is no concept
of last.
But it looks like you are trying to output a list of elements
by looping
over the structure and do not want a comma after the last
element. Your
if logic is the problem here, it will always be true.
<cfoutput>
<cfloop collection="#stuff#" item="i">
'#stuff
#'<cfif StructCount(stuff) lt 6>,</cfif>
</cfloop>
</cfoutput>
StructCount(stuff) is always five. It the size of the
structure is not
going to change while you are looping over it. You need a
counter and
then compare that counter to the size of the structure to
know you have
reached the end of it.
<cfoutput>
<cfset counter = 0>
<cfloop collection="#stuff#" item="i">
<cfset counter = counter + 1>
'#stuff#'<cfif counter lt
StructCount(stuff)>,</cfif>
</cfloop>
</cfoutput>
This could be simplified with a list function.
<cfset stuffList = ''>
<cfloop collection="#stuff#" item="i">
<cfset stuffList = listAppend(stuffList,stuff
)>
</cfloop>
<cfoutput>#stuffList#</cfoutput>

Last element in string

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