Reading Text Files From Web Server?
Sep 6, 2009
find sample code to "read" a text file from a web server? This is the file: [URL]
I want to be able to evaluate if it contains some specified text... How can I refer to this file using VB.net and store it in a string variable?
Here's an example of what I want to do:
boolean aaa = false
'The following is located in the "tick" event handler of an activated timer with an interval of 600000 ms
[Code].....
I want to be remotely command all of my programs do something like this, all I have to do is to change the text in the text file to "now"
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Jan 24, 2012
I want to create a CLR on SQL Server for reading flat files (txt) line by line.
I done it like this.
Imports System
Imports System.IO
Imports System.Collections
[Code]....
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Mar 9, 2009
Reading from many text files
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Nov 26, 2009
Dim fs As System.IO.FileStream
Dim r As System.IO.BinaryReader
Dim buffer(500) As Char
[Code]....
I thought this code would result in me filling 'txt1' with a bunch of header details [URL] and then the raw audio as binary.
But what actually happens is I get: "RIFF$@�WAVEfmt "
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Jun 2, 2010
Basically say I have a text file with the following contents:
"Tim", "USA", "1982"
"Jane", "Germany", "1980"
"Brad", "France", "1989"
Can I have a ListBox for each field, one listbox for Names, one for countries, one for years?
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Mar 11, 2010
Input File to read:
SAMPLE NO: 10S-02013
Moisture 10.1
[Code]....
I am not getting the right output I need, as whenever it reads a line, it looses my sample numeber.
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Jan 30, 2012
My problem is I have very large text files (approx 2GBs+).They have records in them based in one per line.Each line is not the same length and the data can be different lengths all the time.I am currently reading the file line by line, then splitting the data by common characters in the records. To process the full file it currently takes 3hours. This is way too slow for its purpose.
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Mar 3, 2009
so i have it so that the user input three initials and presses an enter button. Then it goes into a listbox where theusers initials and game score enter. I then have it transfer to a text file. all this works but i need some code toun through the text file and arrange them from highest to lowestheres my current "HighScore" codei know its going to be a for loop but im a beginner in vb and it would be so much easier in java button1 is the enter buttonbutton2 is the save button that saves to a text file
Imports System.IO
Public Class HighScore
Dim objStreamWriter As StreamWriter
[code]......
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Nov 16, 2010
I am trying to open a text file and read data based on what the user types, but am having problems because of the Input past End of File errors.
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Apr 24, 2009
An application that my company uses stores report files with a .dat extension for use with their software. These files can be opened in notepad and the basic report information can be seen as text. I am attempting to write an app that opens and reads data from these .dat files and displays it in a checked listbox. My hangup thus far is that I can't figure out how to read the data from the .dat files since they are not .txt files. Can anyone point me in the right direction?
[Code]...
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May 17, 2012
Is there a set function in vb.net that allows you to read a delimited file with text qualifiers? In the past I have used the split command but that does not allow you to take into account the text qualifiers.
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May 25, 2011
I am trying to find a way of looping through a .resx file that contains English words and replacing them with the translated equivalent.
I have used a ResXResourceReader to read the file
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Jan 19, 2011
Any fast way to read/search very large text files. I found this post for VB6, but I don't have the slightest clue what any of it means. [URL]. How to read/search huge files (up to a few GB and 20+million lines).
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Apr 4, 2010
I need to figure out how to read a TXT file as an input type and read it one line at a time, but instead of displaying the text,it will find a keyword in the user typed text and display an answer from the text file. I already know how to do everything but get it to read the input file properly, line by line.
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Jul 30, 2009
I am witting an app that will generate batch files to do an unattended installation of a share point 2007 farm. I already have a batch file I use and it's pretty big. I copied and pasted the content into my application, and I'm using the System.IO.StreamWriter to write to the batch file from the winform. [code]As you can probably guess, I'm doing all of this in my mainform code window. There are maybe 3 or 4 batch files that will be generated based on the selections made on the form. For example, I'm generating a batch file to create the OU, Group and service accounts the farm will use in active directory, I'm creating a batch file for all of the variables that will be used for the additional batch files created, etc. How can I split this up? is there a way to create the batch files without having to actually copy, paste my existing batch file content into the mainform code window? I'm using file.writeline on each line of the pasted content by the way.
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Feb 11, 2012
how to get a program to read a text file randomly.
I want to be able read text into a variable without running into the end of file.
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Jul 14, 2011
I use VS 2010 under Windows 7, and I need to extract text that is currently stored in pdf and doc/docx files. Using .NET 4, how can I do this?
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Oct 12, 2011
I have seen a few different ways of Reading/Writing Text files. What i am trying to achieve is a simple debug file in the most efficient way possible. Currently I have....
If System.IO.File.Exists(debugpath) = True Then
Dim Debugwriter As New System.IO.StreamWriter(debugpath, True)
Debugwriter.WriteLine(debugwrite)
Debugwriter.Close()
[code]....
1. Do I have to close and reopen the file each time I want to write to it.
2. In vbscript I would simply open the the file at the start of the script and close at the end is the same possible here.
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Dec 14, 2010
I'm doing a project where we are re-creating a very old system.The client wants the same base functionality and some improvements.One of the things I'm currently working on is the note-system. These are used as flags of some sort, but are also used as a comment field for some products or client profiles.In the old system you could write the text and save it like you would get in a .txt file. They want the new one to be able to do word formatting such as:
Different font sizes (Only some parts of the text)
Different font colours (Only some parts of the text)
Underlining of words
Bolding
Italics
Tab-spaces
Those are the specs they want. What I need to know is the following:
1) How do I do that?
2) Currently they store all these files on the server as text files and the database have paths that refers to each file. I want to be able to save a text file with that formatting to the HDD of the server like in the old system.
3) If possible I would like to save that text to the database with the formatting.
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Jan 23, 2012
i have started programming a diary sort of program. i have a home form which takes you to other features. im not sure if there is an easier way to do this but the view is week by week with a new week on a new form. and on each form i have a separate text box for each day. using the code:
'In the form load event:
txtMonday.Text = My.Computer.FileSystem.ReadAllText("DayMonth.txt")
'In the text-changed & form closing event:
My.Computer.FileSystem.WriteAllText("DayMonth.txt",
Monday.Text, False)
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Aug 14, 2008
I require some help in saving and reading files in Line by Line format, How would I save to a specific line in the text file, or read a specific line?
[Code]...
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Sep 1, 2009
I have created a code in VB.NET to read data from text files. Data is read from a list of files, where each file is changed using a for loop. Data is written to a new text files. Each file is read one by one and written in the same way. Now, my speed of execution is very slow. I am using a Quadcore processor with only 20-30% of CPU utilization when my code runs. Is there anyway I can increase the speed of reading and writing? To read only 125 files it takes 10 minutes or more, which is very slow indeed, because in the end I need to read thousands of files and write them. Each file is approxiamately 30-50kb.
Here is my code.
Public Sub ReadRMRDataFileIntoTextFiles()
'Read in the customerids once up front
Dim customerids As Collections.Generic.List(Of String)
[Code].....
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Nov 23, 2011
I'm busy with an applicaton which reads space delimited log files ranging from 5mb to 1gb+ in size, then stores this information to a MySQL database for later use when printing reports based upon the information contained in the files. The methods I've tried / found work but are very slow.
or is there a better way to handle very large text files?
I've tried using textfieldparser as follows:
Using parser As New TextFieldParser("C:logfiles estfile.txt")
parser.TextFieldType = FieldType.Delimited
parser.CommentTokens = New String() {"#"}
[Code].....
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Jun 13, 2009
I want to read a text file with unlike delimters into a collection.This is what the file looks like:
_Item 4916 0.00 781.21
_Item 2831 0.02 842.25
there are 10029 items and i am trying to get each items description into 3 different collections: Item "names" (first column), Item "weights"(second column), and Item "values"(third column).the delimiters are as follows:
______(3 spaces)____(1 space)____
considering the amount of items in the file, it would be a complete waste of time to edit it.
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Jun 15, 2009
i'm currently making a client database program for work that stores data in multiple text files (so that the information won't be confused as to which info belongs to who in the database). Each client has his/her own text file, which isn't really a problem although i realize it's a bit messy. A listbox holds items, each item a person's name.When the listbox selected index is changed, the streamreader opens the corresponding textfile, which is as such: "John Doe.txt", and populates the correct textboxes with the information stored in "John Doe.txt".What I'm unfamiliar with is implementing a search function.
1. search query entered
2. streamreader reads through all txt files in a directory looking for matching keywords.
3. if a match is found in a txt file, it looks at the name ("John Doe.txt"), gets the corresponding listboxitem, and finally, once the textboxes have been populated with the info in the file, highlights the matching keywords.
4. then i figured if there was more than 1 match over more than 1 txt file, you could repeat the process and skip to the next match via the tab key (like the find feature of a WebBrowser or other such application).
What i don't understand is how to read multiple text files, search in keywords, highlight the matching keywords, or the tab function..I know that's a lot to ask on a forum, but I had nowhere else to turn.
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Apr 29, 2012
I am using VS 2010 and I want to read the Text File values and place them into variables. This is my code
Me.OpenFileDialog1.FileName = Nothing
If Me.OpenFileDialog1.ShowDialog = System.Windows.Forms.DialogResult.OK Then
Me.TextBox2.Text = Me.OpenFileDialog1.FileName
filename = Me.TextBox2.Text
End If
[Code] .....
I am unable to move pointer to next line.
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Mar 1, 2011
I borrowed part of this routine to download files, and it works great; except when I download text files the returns aren't written into the outputted file. I've tried different web request and techniques with no luck in solving the problem.
Test file:[URL]
Private Sub DownloadFile(ByRef FileSource As String, ByRef FileDestination As string)
Dim request As WebRequest
Dim response As WebResponse
[Code].....
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Mar 23, 2011
So my program allows people to download/upload text files from an FTP server... But... is this safe? I've always been a little scared with FTP because I fear that some lowlife is gonna hack into it. Is there another way to do this? Or is there a way to make this connection much safer?
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Jul 1, 2010
im makign a game that reads text files off of an ftp server. everything is working great. except for the fact that i cant read more then the first line of the players text file. how would i use substring to, for example, look for 'inventory' and get all the info under 'inventory' and above the next title?
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Aug 12, 2011
I've inherited a .NET app to support / enhance which reads in a couple of files of high hundreds of thousands of rows, and one of millions of row.The original developer left me code like :-
For Each ModelListRow As String In ModelListDataArray
If ModelListRow.Trim.Length = 0 Or ModelListRow.Contains(",") = False Then
GoTo SKIP_ROW
[code].....
and it takes an age (well, nearly half an hour) to import these files.
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