.net - Read Multiple Text Files In A Folder?

Mar 20, 2009

I have many text files in a folder. What I can do now is to read through one text at a time and insert it into the database. My little app reads a text file when I debug it. So, I need to run it several times to read all those text files and import them into the database.

My question is how to read multiple text files inside a folder at a time. Here's my code which works fine but it reads only one text files at a time.Private Sub btnRead_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRead.Click

[Code]...

I need a way to loop through a folder and check if there's text file. But I cant get it right. Can anyone show me some code or links ? I'm using VB.NET, .NET 3.5

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Read Multiple Text Files In A Folder And Insert Them Into The Database?

Mar 20, 2009

I have many text files in a folder. What I can do now is to read through one text at a time and insert it into the database. My little app reads a text file when I debug it. So, I need to run it several times to read all those text files and import them into the database.

My question is how to read multiple text files inside a folder at a time. Here's my code which works fine but it reads only one text files at a time.

Private Sub btnRead_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRead.Click
Dim filelocation As String filelocation = "F: xtfilesch25.txt" Dim chid As Integer chid = 25 'read from file Dim MyStream As New StreamReader(Path.Combine(Application.StartupPath,

[code].....

Obviously, I need a way to loop through a folder and check if there's text file. But I cant get it right.

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[code]...

> VB thinks that im trying to open a file named, what im trying to do is open a txt file which have a file name similar to the value of integer.

labelQuestion.text = variable.Readline().

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Note:

Label1: 'F:New FolderTest'
Label2: 'F:New FolderTest2'

Code:
Private Sub btnUnpackFolder_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUnpackFolder.Click
UnzipArchive(Label1.Text, Label2.Text)

[Code]....

My primariry task is to read all the zip files in folder Test, unzip them and copy them to folder Test2.

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Recently i have to develop a program for my company which require: -

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2. Read those XML files 1 by 1 and convert it to another XML files based on a XSL file uploaded.

3. Output the transformed XML files to another folder.

I was thinking using VB.NET for development.

To all forumer out there, is it difficult to develop and how and where i should start?

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How can I monitor a directory of files and be notified when a file is simply opened/accessed by any program (e.g. Notepad)? Files may be opened from another computer, not necessarily on the computer running the "watcher".

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Im designing a program that will read from various text files (preferably RTF files) and then put them into the RTF box in the program when a button is clicked.

Here is the portion of my code that i am referring to.

Try
Dim fileText As String = My.Computer.FileSystem.ReadAllText("c:\" & selectedHero & ".rtf")

infoDisplay.AppendText(fileText)
infoDisplay.Rtf.Format()

Catch
MsgBox("Selected Hero currently has no File with us.")
End Try

Now heres the problem. In the file i have a few pictures and its formatted and what not. I thought since its a RTF file and the Box is RTF it would auto format.... but anyways. It appears like this in the RTF Box.

{\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fswiss\fcharset0 Arial;}}
{\*\generator Msftedit 5.41.15.1507;}\viewkind4\uc1\pard\f0\fs20{\object\objemb{\*\objclass Paint.Picture}\objw3000\objh3000{\*\objdata

[CODE]...

Ok so im not sure how i can read from a RTF file and put it in the RTF box with the right format....Ive been searching around for a while.

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OK I can upload a single specified file but need to create a loop to read and upload all files in a certain folder. Here is code for single file.

'upload a file
ftp.Upload("c: estftpupload.exe", "/pub/upload.exe")

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Is it possible, create a button that can start looking for files in a particular folder and open and close each 1 of them.
Eje: Search in c: est (here open and read all files on folder in texbox) test.txt, test2.txt, ...
Open 1 and close to open 2, close and open 3...
I write the folder to search, and program find and open and close all files in the folder.

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Feb 21, 2010

Im trying to write a loop that will read through a number of *.csv files in a folder and then stuff the data into SQL. The code works and will happily put the data i want for a named file into SQL no problems. So when i had that working i then tried to loop it so that it would do the same for all files in the folder until all files had been done, and not error out if there where no files etc.

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code:
Public Sub ImportCUSTCSVs()
Dim dt As New DataTable()
Dim line As String = Nothing[code].

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Code:
Imports System.IO
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[code]....

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[Code]...

Here is my code so far - not sure why its not working

[Code]...

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I have 500 odd csv files that I need to pick up and load into a table in Teradata.How do I combine this 500 files data into one file Or is there a script that will go and fetch data from each file and load it into the table.Here are more details.I have a bunch of hotels and the end of each day all the hotels dump in one file into a common folder.
Like

D:CorpHOTELSACCOUNTSREPORTINGUSA

Here I get files in the following format.

Hotels_Sales_Graph_level_20080529
Hotels_Sales_Graph_level_20080530
Hotels_Sales_Graph_level_20080601

[code].....

Now I need a script to pick all these files data and load it into one file so that I can use this file to insert data into a table using a fast load script i already have.I have a script that will read this file copy it to a new location and archive it.I can use this final file to load my table.But I dont have a script to read all these files and also read the new file that comes in everyday and load it into one csv file.

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[default.aspx.vb]
Partial Class _Default
Inherits System.Web.UI.Page
Shared rm As ResourceManager = HttpContext.Current.Application("RM")

[code]....

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Jun 24, 2010

I current have an app that I am trying to create. I have 2 List boxes, a textbox, and a command button.What I am trying to do is take about 100 text files that all have certain text in them that I need to change at run time to whatever I put into the textbox. For instance Each Text file has my old company name and I want to be able enter my new name into the textbox and click the command button and the app will open each text file, find the text that I specify and replace it with my new name then save the file into a specified folder.What elements should I be studying to make this happen? So far this is what I've come up with:

OpenFileDialog - to open the file

StreamReader - to read the text files and find the text that I specified

**Not sure on the replace method**

StreamWriter - to write the text from the textbox to the new file

SaveFileDialog - to save the file to the specified location

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belwo is the code to copy the files if they exist :[code..]

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Jun 24, 2010

What I am trying to do is take about 100 text files that all have certain text in them that I need to change at run time to whatever I put into the textbox. For instanceEach Text file has my old company name and I want to be able enter my new name into the textbox and click the command button and the app will open each text file, find the text that I specify and replace it with my new name then save the file into a specified folder.What elements should I be studying to make this happen? So far this is what I've come up with:

OpenFileDialog - to open the file
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**Not sure on the replace method**

[code]....

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I current have an app that I am trying to create. I have 2 List boxes, a textbox, and a command button. What I am trying to do is take about 100 text files that all have certain text in them that I need to change at run time to whatever I put into the textbox. For instance

Each Text file has my old company name and I want to be able enter my new name into the textbox and click the command button and the app will open each text file, find the text that I specify and replace it with my new name then save the file into a specified folder. What elements should I be studying to make this happen? So far this is what I've come up with:

[Code]...

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