Parse A Cmd Command?
Jul 27, 2011
I may be getting in way over my head, but here it goes. I am developing a small application for use on a helpdesk. The application will be installed on the client pc's and will be used primarily by the end user to assist the technician on the phone if the user's pc is offline or inaccessible. One part of the application gives the user their IP address, DNS address, DHCP address, and gateway address. I have it to where it will put all of those in the corresponding fields inside a form, but it does not work correctly outside of a domain. Outside of a domain it only gives the IP address. I am sure it is probably how I coded it, but I cannot think of any other way to get that info in a user friendly way. Is there a way to parse a command prompt command to specific fields inside of a form such as the command ipconfig /all?
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Feb 19, 2010
is there a way to parse data from a command line tool such as netstat -b 2?
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Sep 16, 2010
This illustrationshows 4lines of arguments usedforprojectis run in Debug mode.
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Jun 8, 2012
I just want to parse simple expressions like IIF(FVAL(PFC) = TRUE, (IIF((ORGVAL(BAS, "2012/12/31") + ORGVAL(DA)) < 6500, (FVAL(BAS) + FVAL(DA)) * 12%, 780)), 0)`After parsing this I should be able to know what functions contains what parameters.
[Code]...
I'm stuck with .Net Framework 2.0, so no Linq or lambda expression goodies for me. Also I want to include the code in my custom library and not just reference it. Can anyone point me to some good library or code.
I just need to parse and not evaluate the expression and find what tokens are in use. After finding the tokens I need to change the expression string before parsing, like if the function ORGVAL is used then the parameter passed has has to be prefixed by an underscore. Like ORGVAL(BAS) will transform to ORGVAL(_BAS). Some functions can have tow parameters like ORGVAL(BAS, "2012/12/31") and this will transform to ORGVAL(_BAS, "2012/12/31")
NOTE: IF THERE ARE OTHER WAYS OF DOING IT PLEASE LET ME KNOW. I WOULD LOVE TO AVOID A PARSER AND LEXER.
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Apr 30, 2010
First let me say that I am not sure whether or not this should go in this section or the API section, and if it needs to be moved I apologize. My issue is fairly straight forward, but for some reason I cannot get it to work.
I am trying to send a command to a command line and then submit the command. I have been trying without success to get this to work in v2008 Express and v2010 Express, Here is the code I am trying to us:
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _
ByVal lpClassName As String, _
ByVal lpWindowName As String _
[Code].....
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Mar 17, 2010
I am currently using psexec.exe from PsTools to send a command to a remote system to fire a command through a command prompt however I am finding that the shell I am doing does not seem to like the spaces in the path.
[Code]...
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Nov 8, 2007
Any ideas on how I handle the following error thrown in the SqlDataAdapter.Fill as a result of the BeginTrans in the callee?
System.InvalidOperationException = {"ExecuteReader requires the command to have a transaction when the connection assigned to the command is in a pending local transaction.The Transaction property of the command has not been initialized."}
[code].....
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Jun 30, 2010
Public Sub ExecuteTransaction(ByVal connectionString As String) Using connection As New OleDbConnection(connectionString)
Dim command
As New OleDbCommand()
Dim transaction
As OleDbTransaction
[Code]...
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Feb 24, 2010
I am using the following code to run defrag and to analyze if the C: drive requires defragmentation:
Dim analyze As Process = System.Diagnostics.Process.Start("C:WindowsSystem32defrag.exe", "C: /a /h /u /v")
This process runs through analyzing, runs it in normal mode & prints the progress to the command window.
My problem is that as soon as the process is complete the command window closes. I need it to stay open so that I can read the results.
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Mar 11, 2010
I am trying to send a command to the external command line (cmd.exe) from the Windows form application that I'm writing in VB.NET (using VS2008).
I can only access the external program thru the command line (its not my program) and I must do so from a form app.
I am trying to use the following code. I am able to call a cmd.exe window, but I can't pass the command line my command.
Using mp As New Process
With mp.StartInfo
.FileName = "cmd.exe"
[Code].....
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Jan 16, 2010
I want to add a new select command to my dataset. To do that, I have added a new partial class to my project. Because we have to use partial class if we want to extend generated dataset codes. [code]...
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Feb 4, 2011
I am using a CheckedListBox that is populated with Filenames (full path, i.e. C:TestTest.jpg)When I have the files that I want in the CheckedListBox I wish to click a Start Button which will process the list one at a time using an exe program that runs on the Command Line. There are arguments that need to pass to the command line as well as the file location in order for the program to process.I currently have it working but the issue is the loop finishes quickly and it is left up to the CMD.exe to finish the process. What I would like is for the LOOP to wait until each file completes processing before passing the command for the next file in the CheckedListBox.There some reasons I wish for it to work this way.
1) I would like to have a button that can Pause/Restart the Loop.
2) I would like to have a button that can Stop the Loop so the whole process can end.
3) I would like to have the Loop remove each file one by one from the CheckedListBox after it has been processed.
4) I would like to display a Message once all the files have been processed.
5) And if it were possible I would like to report the status either by text or a progress bar showing where it is at in the process.
6) And the ability to add some error handling if possible.
Since the Loop finishes so quickly as it just passes the command to the command line using the & as a seperator it is the command line that is handling the rest of the process. Because of this there is not control over it in the GUI.The code I am using allows the Command Line text to display in the Form so it won't open up a seperate window to run CMD.exe. This is the desired affect as I would like everything to appear to run from within the Form itself.
[Code]...
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Aug 21, 2011
User need to select their prefferable data to show in report. What i did is i have a clear command first to delete the temporary table. The temporary table is basically a table to stored user selection parameter data. After the clear command, i have
a insert command to insert user selection data into the temporary table. What happened now is when i run the program exe, first run of the report is work fined, but not the second and the following times of execution. It will return null or blank report. The weird thing is when i execute it from development environment, it seem like the report is able to pick up user selection parameter and run the report for the first times and the subsequent execution.
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May 18, 2009
i have seen this in many codes, just not sure where to start and how to call the command. what i'm talking about is having code as such (this is for save file dialog):
[Code]...
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Apr 24, 2011
In the Windows Shell, there is a command that looks like this: copy /b fileA.zip + fileB.jpg fileC.jpg..Is there any equivalent function in VB.NET? I already know this works: [code] But I would much rather have a built-in function to work with. Here is what I am trying to do: url...Also, this doesn't just work for pictures. It works for any binary file. Is there any way in VB.NET to tell if a file is binary or text?
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Feb 6, 2011
Is there a way to hide the characters of a "set /p password=Enter Password:" command? Or any new strand not using the SET command i could use instead?
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May 29, 2012
I am struggling to pass a parameter to a VB.NET application via a Windows scheduled task. It works perfectly in Visual Studio (passing a command line arguement via project properties).If I am calling a VB6 application, then I will supply the following parameters and it works:
Run: c:progra~1TestTest.exe TestParameter Start In: c:progra~1Test However, if I supply the same parameters in VB.NET, the program throws an exception when it tries to create an instance of a class in the Form.Load: System.NullReferenceException cannot create instance of object.
I have also tried the following:Run: c:program filesTestTest.exe TestParameter Start In: "c:program filesTest" This time the status of the scheduled task changes to "cannot start".What is the correct way to specify command line parameters in a scheduled task for a VB.NET program?UPDATE I found the solution on this web page:[URL}.. I am still confused as to why the program would not create an instance of an object when I used the 8 bit paths (i.e. progra~1)
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Apr 23, 2011
I'm running into the following error message when I click the button event: Command text was not set for the command object. [code]
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Dec 21, 2009
If I comment out MdiUpdate() this run fine. When I run it with MdiUpdate I get the following Error...
da.Fill(ds,
"Mdi") Command text was not set for the command object.
I have also taken the code from the select statement and put it into the other 2 (replace the CliendGroupID = 3) and it works fine
Here is the code:
Public
Class NewFileInput
Dim inc As Integer
[code]....
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Jun 6, 2012
I have beginner skills using VB (am using the Express edition to learn). I would like to know how to set up a conditional statement in a Windows Form (WF) app that would check if a specific command line has been passed by another separate app that launchesthe Windows Form app using command lines, and if not passed, then the Windows Form app would shut down (exit, close).So far, I can use:
For Each s As String In My.Application.CommandLineArgs
If s <> "xyz" Then
Me.Close()
[code]....
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Feb 10, 2012
In the Windows Shell, there is a command that looks like this:copy /b fileA.zip + fileB.jpg fileC.jpgIs there any equivalent function in VB.NET? I already know this works:Shell("cmd copy /b fileA.zip + fileB.jpg fileC.jpg")
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Oct 2, 2011
I'm starting to make a program that will run some commands, so i need some code that will open command prompt and run the command "netstat -a".
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Jul 29, 2010
I'm still relatively new to parsing xml documents into SQL. I am trying to parse one node out of an xml document.[code]...
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Sep 29, 2009
What's the easiest way in VB.NET to parse this XML? Here's an example of the full source:View Source XML I believe that the XML can be read directly into a class structure that matches the XML's structure.Let's take a bit of the XML from the above example,
<?xml version="1.0" encoding="UTF-8" ?>
- <kml xmlns="http://earth.google.com/kml/2.0">
- <Response>
[code]....
How do I handle nested collections, for example, the Placemark collection in this example?
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Sep 17, 2011
I have an app that the user selects information and it writes to an XML file. The user can increase and decrease the information in the XML file so it is dynamic. The other app reads the xml file and uses it to complete tasks. Since the XML is dynamic my code needs to account for that. Right now I have only allowed the XML to have up to four values in a certain node, I would like to allow more but I will need to increase the Select Case function.[code]
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May 5, 2011
I am making a change to an existing process. Currently the csv file (which can have embedded "," with the field in quotes), is being passed to my module as a IO.StreamReader, pStreamReader.
[Code]...
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Oct 31, 2010
parsing text that i have loaded in to my textbox Using ofd1 As New OpenFileDialog ofd1.InitialDirectory = "F:"
If ofd1.ShowDialog = DialogResult.OK Then RichTextBox2.Text = My.Computer.FileSystem.ReadAllText(ofd1.FileName)
End If
End Using
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Apr 6, 2010
create a function that parses the input "4+7-4/4*4=" from instr into an array named tokens(1000), as string, and returns the number of arrays, or perhaps a negative number if there is an error in the input.
Dim tokens(1000) As String
Private Sub btnGo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGo.Click
[code].....
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Nov 1, 2009
I have XML data like this:[code]I would like to return the name of the places. How may I extract this data using Visual Basic?
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May 5, 2011
I am making a change to an existing process. Currently the csv file (which can have embedded "," with the field in quotes), i being passed as an
IO.StreamReader parameter pStreamReader.
dim vLine as string = pStreamReader.ReadLine
dim vFields () as String = vLine.Split(","c)
Well ... obviously the split does not work with embedded commas in a field. Looked at TextFieldParser, but it is in the FileIO class and the module is passed a IO.StreamReader. Can it work?
Or how abour a RegEx? Does anyone have any suggestions? I have look around on the internet and it seems like a common questions with a bunch of wild goose chases.
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