I have flat file source and connection manager. I need to configure its connection string as filename_* .txt. I have one variable on package level to read the directory path and then I am using it in expression property to read the file path as #FilePath + "filename__* " + ".txt". This is not working. I am not able to figure out how to configure file name as filename_*.txt.
In a case like this best practice is to use a foreach loop container of type File Enumerator, you can pass it a search string to scan for files and run a process using the found file name.
Note if you have multiple files in that folder it will run the same process for each file
The container will then execute everything inside it for each file found with that search string. You will need to map the found file name to a variable on the Variable Mapping section.
You can now use the variable as an expression in your file connection
Your control flow should look like this
Related
I have a dataflow that is used to do transformation of multiple flat files from given folder using for each loop container. I have a flat file again as output file. The problem is that every time I execute the the job only the last file that got transformed will be stored in destination file.
Is there a way in SSIS I can create individual transformed output file instead on overwriting on same one over and over again?
For. eg. I have 5 flat files ,test_1.txt,test_2.txt,test_3.txt ,test4_.txt
and test_5.txt in a folder.
After the job ran I can only see the data from last file test_5.txt being
transformed in my destination file.
Here's steps on a working example I tested.
Variables
I have 3 variables defined:
FileName - To be used in the foreach loop
DestinationDir - where are the files going
SourceDir - where are the files I want to process
Foreach Loop Setup
I have a foreach loop configured as:
Expression for "Directory" set to #[User::SourceDir]
Retrieve file name set to "Name and extension"
Then under the "Variable Mappings":
That means as the foreach loop is iterating over the files in the directory it will be setting the "Name and extension" of the file its on to the variable #[User:FileName]
Data Flow Task
The I add a Data Flow Task inside the foreach loop:
Then inside the DFT I have a simple Flat File Source to Flat File Destination. We'll just pass the contents of each file to new files:
During initial development I'll manually pick one file to walk through setting each of the source and destinations. Then come back and change the connection managers and set an expression on the ConnectionString.
Connection Manager Expressions
SourceFile Connection Manager:
ConnectionString gets an expression as: #[User::SourceDir] + #[User::FileName]
DestinationFile Connection Manager:
ConnectionString gets an expression as: #[User::DestinationDir] + #[User::FileName]
Testing
I have 2 test files in my source directory and no files in my destination:
After I execute my package I get success and also get new files in my destination:
There are ways to do what you are asking in SSIS with variables and expressions but there is an easier way to accomplish it using command line.
Since you are just consolidating a text files into 1 you can use a command prompt to better handle your issue:
copy *.txt output.txt
I am trying to archive a file. included in the image is the settings of my system file task. I'm trying to send a file whose name is stored in a variable within the loop, and send that file into the requisite folder.
The file is supposed to land in F:\DATA\ARCHIVE\WELLBORE\ using the filename it was given. However, it keeps landing in F:\DATA\ARCHIVE with the NAME WELLBORE, which is not what I am looking for.
What do I have missing?
Thanks
Problem
The issue is when you select Move File so you have to select the source full file path and the destination full file path, so the destination variable should contains the destination full path (with file name) and if the variable contains a folder path, the folder name will be considered as a filename and it will throw an exception.
Solution
Create a new variable #[User::DestinationFile] and assign the following expression to it:
#[User::ArchiveFolder] + RIGHT( #[User::WellBoreFile] , FINDSTRING(REVERSE( #[User::WellBoreFile] ) , "\\", 1) - 1)
This expression will add the filename to the destination path. And use this new variable as a Destination
References
SSIS EXPRESSION TO GET FILE NAME FROM FULL PATH
SSIS Expression to get filename from FilePath
Microsoft Docs article*
I am working on a SSIS project that download a file via web and upload the data in sql server then after that move the downloaded file to another folder. Here is an image for a clearer picture
I have a variable:
Source_Folder with a value:C:\Users\T-Aordiz\Documents\DumpDatas\Outbound Dump\Dump
Success_Folder value: C:\Users\T-Aordiz\Documents\DumpDatas\Outbound Dump\Success
For Each Loop values
Expressions:#[User::Source_Folder] , Variable Mappings: User::FileName(which is blank string)
and here is my file system task
However I encounter this error message
Error: 0xC002F304 at Success, File System Task: An error occurred with the following error message: "Could not find file 'C:\Users\T-Aordiz\Documents\DumpDatas\Outbound Dump\Dump'.".
Task failed: Success
I tried changing the expression in File System Task but also encountered an error. Help me guys
Source connection,
Option 1,
When using Foreach File Enumerator - 'Retrieve file name', if you choose Fully Qualified, it will give you a complete path, it means #[User::Filename] includes folder and file name with extension. you can use this variable as source connection variable.
Option 2,
When using Foreach File Enumerator - 'Retrieve file name', if you choose 'Name and Extension', it means you must create another variable FilenameFullpath, expression specified as #[User::Source_Folder] + "\" + #[User::Filename]. (you can always include "\" at the end of your declared folder.)
Destination connection,
You can just specify a folder, no necessary to include file name and extension.
In the file system task you must select variables containnig source filename and destination filename not folders.
Choose #[User::Filename] as source and choose the destination as another variable that contains the destination file path (not folder, must include file with extension)
You can generate destination value using script task or expression task. By concatenating the source filename (without path) + destination folder
Note that #[User::Filename] should be mapped in the Foreach Loop container
I'm working on creating a csv export from a SQL Server database and I've been familiar with a process for doing so that admittedly, I've never completely understood. The process involves creating a "template" file, which defines the columns and structure for the file export. Once the "template" file exists, you can use a Data Flow task to fill it and a File System Task to copy it to the final storage destination with whatever file name you'd like (frequently a date/time stamp).
Is there a reason that you can't simply create a file directly, without the intermediate "template" file? I've looked around for a bit and it seems like all the proposed solutions involve connecting to an existing file. I see that there is a "Create File" Usage type for a "File" connection manager, but you can't use it in any File System Task. The only File System Type connection managers you can use relative to a file are "Copy", "Delete", "Move", "Rename", and "Set Attributes".
Is there a way to create a file at package run time and fill it?
The whole point of SSIS is to create a data flow with metadata so that the data can be manipulated - if you just want to go database direct to CSV you are probably better off using bcp (bulk copy program) from the command line. If you want to include it as part of a SSIS package just add an Execute Process Task and add the command line to that. You can dynamically change the included columns or the output file by adding an expression to the task. You could also call bcp though TSQL using an Excute SQL Task.
One other option is to concatenate all your columns in your query inter-spaced with a comma literal and output to a text file with just one very wide column.
For documentation on bcp look here
I've set up a File System path inside a ForEachFile enumerator in SSIS 2012. I'm iterating over a directory, loading each file, archiving that file, then processing the next file, etc. I've set the Destination folder via an expression that uses a Project Param value, and I get the source file from the variable set in the ForEachFile enumerator. The File System task says it can't find my Destination folder:
Here's the File System Task:
And proof that the destination folder exists:
Why am I getting this error? I'd swear I've used the exact same technique in SSIS 2008 and 2005. This is 2012, but it should work the same way.
I met the same problem and to resolve it i create a variable and i put something like this in the path.Be carefull you must put double "\ \".
So the path must be like this:"\ \ \ \ad1hfdalhp001\ \d$\ \data\ \Archive\ \"
The DestinationConnection field must contain a reference to a flat file connection. The error is saying that you have no Flat file connection manager with that name.
DestinationConnection should not be a free text field. You should be able to open a drop down in the DestinationConnection field and select or create a connection manager.
You will need to configure your output file path as the ConnectionString property on the file connection manager referenced in the DestinationConnection field.
Using a UNC is still an option. Similar to as you've done with the Source, on your Destination, set IsDestinationPathVariable = True and then push \server\path into a Variable User::ArchivePath or similar.
Otherwise, it is as user3922917 indicates: if IsDestinationPathVariable is false, then you need to use a File Connection manager.
In your comments, you indicate that you're building the UNC path based on an Expression in the File System Task. I find I have a better experience when I build my expressions in SSIS Variables and then simply assign that Variable into the Task's Expression. While this step may seem to provide another layer of maintenance, put a break point on the Task and tell me what the expression evaluates to. And you can't. It's only available to the object to use and you are unable to inspect it so you're left high and dry if your formula is off. Which never happens when you're having to deal with escaping a UNC path