Separate the file access into 3 tasks: Reading the File - read the complete file with no regard to the data content validity Interpreting the file - look at what you have: Writing the file - rewrite the interpreted data There are several reasons for doing this: In your case, you may want to read the complete file into an array of strings, then rip through those strings, rearranging them, then call the 'writefile' operation overwriting the existing file.
Upload multiple files into a document library using PowerShell and set metadata This article has now been updated to include a script download with many more features, including support for almost all column types, copying files from subfolders in the source location and retaining the structure in the destination library, an overwrite option, ability to merge subfolders into a single location, and much more.
Visit this page for details - http: A scenario I come across quite regularly is migrating data into SharePoint from a file system and tagging it with column values on its way in. The PowerShell script below provides a framework for doing exactly that. The general order of the script is as follows: Enumerate through all files in the folder not subfolders at the moment and upload them into the document library in SharePoint.
I have set it to upload the files to the root of the library, but you could change the script to copy into sub-folders or migrate an entire folder structure from the file system to SharePoint.
Connect to a manifest XML file and configure the column values - The columns themselves must already be present in the document library prior to running the script.
An example of a manifest file is shown below:Jun 19, · This second StreamWriter will overwrite the file, but it creates a new FileStream, which can't write to the file because the first FileStream has locked it. It seems that there must be a property of the first FileStream or or first StreamWriter that controls whether .
If the file already exists, it will be overwritten.
"hi, i tried to open,close and reopen the code usign yunusemremert.com before opening the file, i just want to make sure that particular file is not opened/used already by any other process or user. the code is given below. if i try to open the already opened file the porcess turns dead lock at the line ""objWdDoc = yunusemremert.com(sFileName)"". It’s always a pleasure to see the community help each other out in ways we think are unimaginable. One of the best way some people help, is to open source their hard work into libraries, so you don’t have to code the behavior yourself. How to Overwrite Existing Text Using FileStream. Ask Question. up vote 2 down vote favorite. I posted my answer prior to your response.. let me alter my answer.. are you wanting to append to that same file or overwrite that existing file in multithread? – MethodMan Jan 11 '13 at
This requires yunusemremert.com permission. yunusemremert.com is equivalent to requesting that if the file does not exist, use CreateNew; otherwise, use Truncate. If the file already exists but is a hidden file, an UnauthorizedAccessException exception is .
How to Overwrite Existing Text Using FileStream. Ask Question. up vote 2 down vote favorite. I posted my answer prior to your response..
let me alter my answer.. are you wanting to append to that same file or overwrite that existing file in multithread? – MethodMan Jan 11 '13 at When it fails, handle appropriately and check in which state your files are, indicate to the user when something is 'corrupt' (so point to the backup file).
In the finally . How to overwrite text in same text file. Ask Question. Main task is to overwrite the same texfile with modifications. c# console-application streamreader.
FileStream fileStream = new FileStream(@"c:\yunusemremert.com", yunusemremert.comCreate, . I have two text files, yunusemremert.com and yunusemremert.com The source will never be modified and contain N lines of text. So, I want to delete a specific line of text in yunusemremert.com, and replace by an specific line of text from yunusemremert.com, I know what number of line I need, actually is the line number 2, both files.