csv

Parse a CSV file using python (to make a decision tree later)

First off, full disclosure: This is going towards a uni assignment, so I don't want to receive code. :). I'm more looking for approaches; I'm very new to python, having read a book but not yet written any code. The entire task is to import the contents of a CSV file, create a decision tree from the contents of the CSV file (using the ...

OdbcConnection for a string in a csv

I've got some code below that would allow me to access a .csv file on the server and pull the contents into a datatable which enables me to iterate the rows easily. For somethine completely seperate I have the contents of a csv in a string variable and I'd like to be able to pull that string into a datatable also. How can I do this witho...

Why would a CSV attachment appear as text in the body?

Hi all I've just implemented some code that emails a bunch of our clients with a CSV file attachment. Some (not many) have got back to us complaining that they don't get an attachment at all - just the CSV text inside the body of the email. Most however are fine. I suspect that it's different mail clients that are treating the attachm...

Reading a large csv datafile with multiple lines of headerinfo into Matlab

Dear all, Does anyone have some advise how to read a comma separated data file into matlab? The simple solutions (like dlmread, fscanf) do not seem to work, as there are multiple (10) lines of header information. The closest I got to a solution is: C=textscan(datafile) G=cell2mat(C{1,1}(34:endoffile)}) //34 is the line the data starts ...

Write physical table to csv file

Hi, I was wondering if anyone knows how to write an actual table/grid to a csv file....i dont mean the content of the table/grid, i mean the actual grid lines etc etc, headers, axis..... Thanks greatly in advance. U. ...

Reading numeric Excel data as text using xlrd in Python

Hi guys, I am trying to read in an Excel file using xlrd, and I am wondering if there is a way to ignore the cell formatting used in Excel file, and just import all data as text? Here is the code I am using for far: import xlrd xls_file = 'xltest.xls' xls_workbook = xlrd.open_workbook(xls_file) xls_sheet = xls_workbook.sheet_by_index...

csv file enclosed with double quotes not stripping quotes

I am generating a csv download from my web server and to be safe, I have enclosed each field with double quotes. i.e. "Field1","Field2","Field3","Field4" "row1_field1","row1_field2","row1_field3","row1_field4" "row2_field1","row2_field2","row2_field3","row2_field4" The problem is that when the file is opened in Excel, it does not str...

PHP generating csv not sending correct new line feeds

I have a script that generates a csv file using the following code: header('Content-type: text/csv'); header('Content-Disposition: attachment; filename="'.date("Ymdhis").'.csv"'); print $content; The $content variable simply contains lines with fields separated by commas and then finalised with ."\n"; to generate a new line. When I o...

How to import csv files

How can I import CSV file data into SQL Server 2000 table? I need to insert data from CSV file to table twice a day. Table has more then 20 fields but I only need to insert value into 6 fields. ...

mysql to excel exporting data using php getting html code also

if( ($_POST['Submit']=='generateexcel')) { $tblname=$_GET['generateexcel']; global $obj_mysql; $table="tbl_js_login"; function exportMysqlToCsv($table,$filename = 'export.csv') { $csv_terminated = "\n"; $csv_separator = ","; $csv_enclosed = '"'; $csv_escaped = "\\"; $sql_query = "select fld_id, fld_fname,fld_lname...

Storing the records in csv file from datatable.

I have datatable and I am displaying those values in the datagridview with the helping of code : dataGridView1.ColumnCount = TableWithOnlyFixedColumns.Columns.Count; dataGridView1.RowCount = TableWithOnlyFixedColumns.Rows.Count; for (int i = 0; i < dataGridView1.RowCount; i++) { for (int j = 0; j < dataGridView1.Colum...

Make CSV from list of string in LINQ

Hi I would like to take a list collection and generate a single csv line. So take this; List<string> MakeStrings() { List<string> results = new List<string>(); results.add("Bob"); results.add("Nancy"); results.add("Joe"); results.add("Jack"); } string ContactStringsTogether(List<string> parts) { StringBu...

SSRS CSV Rendering Export Issue....

I am having my table like this (2 tables) UserId Name 2 Welcome 3 Rename Password Data 2dfdf dfd 3 dfdf I need the data while exported to csv like this... UserId, Name 2,Welcome 3, Rename, password, Data 2dfdf ,dfd 3 ,dfdf But it is displaying like this UserId, name, Password, Data 1, Welcome, 2dfdf ,dfd 3, Rename,3,dfdf How can ...

Convert array to CSV/TSV-formated string in Python.

Python provides csv.DictWriter for outputting CSV to a file. What is the simplest way to output CSV to a string or to stdout? For example, given a 2D array like this: [["a b c", "1,2,3"], ["i \"comma-heart\" you", "i \",heart\" u, too"]] return the following string: "a b c, \"1, 2, 3\"\n\"i \"\"comma-heart\"\" you\", \"i \"\",heart...

Most elegant way to break CSV columns into separate data structures using Python?

I'm trying to pick up Python. As part of the learning process I'm porting a project I wrote in Java to Python. I'm at a section now where I have a list of CSV headers of the form: headers = [a, b, c, d, e, .....] and separate lists of groups that these headers should be broken up into, e.g.: headers_for_list_a = [b, c, e, ...] header...

Import and Export for CSV are both broken in Mathematica

Consider the following 2 by 2 array: x = {{"a b c", "1,2,3"}, {"i \"comma-heart\" you", "i \",heart\" u, too"}} If we Export that to CSV and then Import it again we don't get the same thing back: Import[Export["tmp.csv", d]] Looking at tmp.csv it's clear that the Export didn't work, since the quotes are not escaped properly. Accor...

How can I convert XML files to one CSV file in C#?

I have a collection of strings that are XML content. I want to iterate thru my collection and build a CSV file to stream to the user for download (sometimes it can be hundreds in the collection). This is my loop: foreach (string response in items.Responses) { string xmlResponse = response; //BUILD CSV HERE } This is what my X...

What is the correct method to load an XML file and re-write it as a CSV?

Updated to be clear. Step One: I have a XML file that I want to load into a DatGridView. (Mostly working thanks to Max, but I still have a problem with the XML rollup) Step Two: Run some code based on user input -- (not part of this solution) Step Three: Export the DataGridView into a CSV File. (Solved by Max! Thanks Man That was...

How to store sorted records in csv file ?

I sort the records of the datatable datewise with the column TradingDate which is type of datetime. TableWithOnlyFixedColumns.DefaultView.Sort = "TradingDate asc"; Now I want to store these sorted records into csv file but stored records are not sorted by date. TableWithOnlyFixedColumns.DefaultView.Sort = "TradingDate asc"; DataTab...

Adding new "columns" to csv data file in Tcl

Hi All, I am dealing with a "large" measurement data, approximately 30K key-value pairs. The measurements have number of iterations. After each iteration a datafile (non-csv) with 30K kay-value pairs is created. I want to somehow creata a csv file of form: Key1,value of iteration1,value of iteration2,... Key2,value of iteration1,value ...