Thanks Andreas Orphanide It was a mere issue with file extension (.txt). Now the downstream program is behaving perfectly well. I performed with small set of 100 files and it worked well. I have gone through the stackoverflow post but wondering why mv *.csv *.txt is not working (I tried but failed). Thanks and regards ----------------------------------------------------------------------- Dr. Parthasarathi Mukhopadhyay Professor, Department of Library and Information Science, University of Kalyani, Kalyani - 741 235 (WB), India ----------------------------------------------------------------------- On Wed, Apr 8, 2020 at 5:11 PM Andreas Orphanides <[log in to unmask]> wrote: > Unless there's something I am not understanding about this problem, > converting CSV to TXT should just be a matter of changing the file > extension from ".csv" to ".txt", and even this isn't strictly speaking a > requirement. CSV is just a text file with a specific layout to the text to > define columns -- try to open a .csv file using your favorite text editor > and you should not have any issues whatsoever (unless there's a character > encoding issue, but then you'd see the problem whether the file was CSV or > TXT). > > If the file name is important for some other part of the workflow (a > downstream program that would refuse the file unless it's .txt), here's a > Stack Overflow post > < > https://stackoverflow.com/questions/9590935/change-extension-of-file-using-shell-script > > > with a *NIX script command to change the file extension. Similar methods > exist in Windows > < > https://www.addictivetips.com/windows-tips/batch-change-rename-file-extensions-in-windows/ > > > . > > If there's something else about the underlying problem, please do share! > > > On Wed, Apr 8, 2020 at 7:30 AM Parthasarathi Mukhopadhyay < > [log in to unmask]> wrote: > > > Could you plz guide me in finding an ONLINE tool for the following > > workflow? > > > > 1. A large csv file with 40K+ rows split into number of csv files (one > file > > per row). > > This step is done. > > > > 2. These large number of csv files need to be converted into text files > > before further processing and I wish to do it in the following way: > > 2.1 make zip file for all csv files > > 2.2 upload csv.zip file (as a single file) to online converter > > 2.3 convert all csv files (in the single zip file) into txt files > > (UTF-8 encoding is preferred but not necessary at this stage) > > 2.4 download the converted text files preferably as a zip file. > > > > I was/am searching such a tool/converter for last seven days but what I > > found are tools like docspal.com which can take only csv files as input > > and > > that 5 at a time at the best. > > > > Waiting eagerly for guidance. If no such online tool available, you may > > please direct me to available scripts/software in solving the issue at > > hand. > > > > Thanks and regards > > ----------------------------------------------------------------------- > > Parthasarathi Mukhopadhyay > > Professor, Department of Library and Information Science, > > University of Kalyani, Kalyani - 741 235 (WB), India > > ----------------------------------------------------------------------- > > >