Read A Random Line From Txt File?
Sep 8, 2011I have this to read a random line from a .txt file[[code]....
View 3 RepliesI have this to read a random line from a .txt file[[code]....
View 3 RepliesI want to read a random line (that I've chosen via random number) in a text file. I want to the system IO reader. But I am confused as to how to read a random line. Here's what I have...
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what i need to do is open a txt file, read line by line, decode each line into an array and display. Now all works ok apart from one line.
sTextLine = objReader.ReadLine() <-- Value of string cannot be converted.
full code here
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Dim objReader As New System.IO.StreamReader(sOpenFile.Text)
Dim sTextLine As New ArrayList()
Dim sText As String = ""
Dim i As Integer = 0
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I have a txt file that I need to read into a listview, but I need to read from a specific line in that file. Below is a sample of the txt file to read,
6400,3200,2,95.5,84,76.6,0
1,2,-20,15,0,0,0,"NO",0,0
TOTAL GPM= 6400 HWT= 95.5 CWT= 84.0 IWBT= 76.6 ALTITUDE= 0
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I'm trying to read a file line by line into an array but It skips the item at index:3 I have it msgboxing just to make sure and it wont even touch it.
Dim Btn As Button = DirectCast(sender, Button)
Dim path As String = Application.StartupPath & "Libraries" & Btn.Text.Replace(" ", "_") & ".ipt"
Dim i As Integer = 0
Dim lines As String() = IO.File.ReadAllLines(path)
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the best method to read a huge file? I'm guessing its with "stream"?It's like a 200mb file.I need to read each line and do something if the line contains a search string.
Code:Imports System.IO
Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim strFile As String = "c:
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I like search a file TXT with this contains:
Name "Paul"
Age "11"
City "Chicago"
my question is: Its possible get a string "Name" and give me the value "Paul"? I have this function for get strings:
[code]...
Why can I only see the first line split in the listboxes repeated 4 times? I can not see all the lines of the Dictionary.[code]...
View 6 RepliesI have code that reads the whole file, not line by line.
Here is the code:
FileOpen(1, filename, OpenMode.Input)
Do While Not EOF(1)
datatodisplay = LineInput(1)
Loop
FileClose(1)
I would like to know how I can read the file line by line and then add all results into an array list.
I need to read a xls/xlsx/ods/txt file line by line,to get a column name of file .how to read a file line by line in vb.net?
View 1 RepliesOk, I saw this code on the net
Dim sFileName As String
Dim srFileReader As System.IO.StreamReader
Dim sInputLine As String
sFileName = "D:UsersArbenDesktopSerieA.txt"
srFileReader = System.IO.File.OpenText(sFileName)
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under the code I pasted at the top, but I get the text on line1 in all labels, like all labels become 1, while the text should be 1, 2, 3 and so on. So anyone can help me do that, each label gets the value of the next line in the txt file
I have created a program that saves the co-ordinates of the users mouse and saves it to a text file to be used as an auto clicker.
View 2 RepliesI have a text file like below;
606;16
101 GAZ MET.MED. - VIC.BRANESTI 2011-01-11T11:00:00
102 BRASOV - TARGU MURES 2011-01-11T10:30:00
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I am trying to read a PDF file line by line using PDFBox.This is the first time I have ever attempted to do this with a PDF so I am not sure what I was expecting but I thought I would end up with some "mark up", which I could use to parse the lines I was looking for out of the file.
Anyway it didn't work out the way I had planned and I am not sure if that is because I am using the wrong tool or not using the right tool correctly.I managed to extract the text but I didn't really see any mark up that would be usefull to parse the file. Does anybody have any experiece with extracting test from PDFs. What tool(s) do you recomend?
I am quite new in VB NET, after VB. and unfortuantely I had to copy paste and merge the code fragments from some tutorials.
I have a folder including 200 eng files which can be opened by notepad. And each file has around 4000 row; with 60 field seperated by coma. I need to read specific row-field value at each files.
Now what I can is:
a) reading individual txt files and find specific value
b) listing all of the files in the folder
c) I can merge (a) and (b) and read all the files automatically, but since ram is continuously increasing, and at one point (sometimes 163, sometimes 169, or 170. files or something) it gives an error as "System.OutOfMemoryException". My ram is 4 GB and when I get this error the ram is increasing to more than 3 GB.
1- Could it be happen because of being eng files instead of regular txt files?[code]...
how can I read data in a file line by line..for eg in my project I have to store movie information in a file and every movie's info has to be in one line..this is my code for file
Private Sub btn_Read(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
sw.Close()
fs.Close()
fs = New FileStream(filetxt.Text, FileMode.Open, FileAccess.Read)
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how to read a simple text file line by line like when you're writing to a file with System.IO.StreamWriter where you write to the file line by line.
View 5 Repliesgetting a random line on a text file then assigning it to a variable?
View 4 RepliesIm reading User/Pass from a text file. It has multiple user/passes in it and I want it to randomly select one to use. How would i do this? Here is the code im using now
Using parser2 As New TextFieldParser(filename2)
parser2.SetDelimiters(delimiter2)
While Not parser2.EndOfData
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ive created a function for generating username, password, email to log in on a website but the problem is i want to use all account one at a time for example
num|username|email|passwd
1|username1|email@email1.com|password1
2|username2|email@email2.com|password2
3|username3|email@email3.com|password3
4|username4|email@email4.com|password4
5|username5|email@email5.com|password5
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making a VB application which chooses a random line for a file, sets it as the value of a Label (word) and also adds it to a ListBox (list) when a Button (nextbut) is pressed. I also want it to keep going.
Button; Text: Next
Name: nextbut
Label; Name: word
Listbox;Name: list
What i need it to do is to load a line from a file ("C:words.txt" for example) and set it as the value f the label. The lines are different lenghts.
I got a little program that generates a random line of text from a .txt file and all is working well, at least for the most part.
On occasion I get an error message popup saying "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: Index."
Here's my code:
CODE:
The last bit is where the random number is generated, which I am guessing where the problem itself is, but am unsure as to how to fix it...
if i want to read from txt file called "students" line by line and after reading each line, I want to split the information To make sure a user or not
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This time, basically, i'm working with Random Access Files.I have this et of code to read data from a form a save it into a .dat file. This works fine.
Public Class frmDramaClub
Structure MemberRecord
Dim ID As Integer[code].....
I'm using Visual Basic express 2008.The application I am working on is the first major project I have ever undertook with visual basics. The application is a launcher for a private server for world of warcraft.I have a menu bar that pulls the file path of the wow.exe and puts it in a hidden textbox, I then have another option that saves this text to c:wowexe.txt. All of this works GREAT!
How can I read the .txt file to end and return the information stored in the .txt file to this line of code.
Dim RetVal
RetVal = Shell("This is where I need the data from the .txt file to be seen", 1)
If your wondering why I don't just type in the path of the .exe, it's simple, not everyone installs World of Warcraft on the C drive.
in my text file i have two part. Called bottom and top. So i need to read the Top part first then and match the line with bottom part. Its like this
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Basically, I am trying to create an FTP shoutbox system. I have a sub which adds text to an FTP text file. The most recent post is on the top, and the descending items get older in age. I tested this sub and it works fine. However, I get an error when trying to do my 'RefreshShoutbox' sub.
Dim x As String
Form1.ListBox3.Items.Clear()
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I need to be able to read the last line of a text log file - a bit like the Unix 'tail -f'. I'm using FileSystemWatcher which works well. There's more to it than that and more complexity to the app, and I have everything working fine except this bit. I've tried googling for it but I can't get any of the examples work properly.
View 3 Replieshow to read text from a listbox line by line and put current line in a label?
View 3 RepliesI have a txt file I' m trying to read a line and add it to the array list, I' m identying the begining of the new line with B and N charecters in the 11 and 12 th positions respectively. Now the problem is that few keys are getting dropped the structure of the file is
10000BN test 1 test2
10000S0000 test3 test 4// these are getting dropped because they are on a new line
10000S 0000 test5
so how do I add these two lines to the record
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