Commands: t <- data.frame(v = 5:1, v2 = 9:5) write.csv(t, “t.csv”) Resulting file: # “”,”v”,”v2″ # “1”,5,9 # “2”,4,8 # “3”,3,7 # “4”,2,6 # “5”,1,5 How do I prevent first column with row index from being written to the file? 2 Answers 2
Sample.csv contains the following: NAME Id No Dept Tom 1 12 CS Hendry 2 35 EC Bahamas 3 21 IT Frank 4 61 EE And the Python file contains the following code: import csv ifile = open(‘sample.csv’, “rb”) read = csv.reader(ifile) for row in read : print (row) When I run the above code in … Read more
How can I load a CSV file into a System.Data.DataTable, creating the datatable based on the CSV file? Does the regular ADO.net functionality allow this? 22 Answers 22
I’m writing a simple import application and need to read a CSV file, show result in a DataGrid and show corrupted lines of the CSV file in another grid. For example, show the lines that are shorter than 5 values in another grid. I’m trying to do that like this: StreamReader sr = new StreamReader(FilePath); … Read more
I want to export my members table to csv format on my default download location. So I used a shortcode in functions.php and called it on a page. I am getting an already sent header warning and csv file is not exported but data is printed on the screen with header already sent error warning. … Read more
It seems Excel 2013 doesn’t read CSV files correctly (Excel 2010 does). Every time I open .csv files, all my data are displayed in the first column. I know I can go to DATA, Convert, and then choose commas, but this set up is not saved, and I am fed up doing this every time … Read more
I am programmatically exporting data (using PHP 5.2) into a .csv test file. Example data: Numéro 1 (note the accented e). The data is utf-8 (no prepended BOM). When I open this file in MS Excel is displays as Numéro 1. I am able to open this in a text editor (UltraEdit) which displays it … Read more
I have a data with the following format: foo<tab>1.00<space>1.33<space>2.00<tab>3 Now I tried to sort the file based on the last field decreasingly. I tried the following commands but it wasn’t sorted as we expected. $ sort -k3nr file.txt # apparently this sort by space as delimiter $ sort -t”\t” -k3nr file.txt sort: multi-character tab `\\t’ … Read more
Trying to import a CSV with contact information: Name,Address,City,State,ZIP Jane Doe,123 Main St,Whereverville,CA,90210 John Doe,555 Broadway Ave,New York,NY,10010 Running this doesn’t seem to add any documents to the database: $ mongoimport -d mydb -c things –type csv –file locations.csv –headerline Trace says imported 1 objects, but firing up the Mongo shell and running db.things.find() doesn’t … Read more
I’m trying to parse through a csv file and extract the data from only specific columns. Example csv: ID | Name | Address | City | State | Zip | Phone | OPEID | IPEDS | 10 | C… | 130 W.. | Mo.. | AL… | 3.. | 334.. | 01023 | 10063 | … Read more
