csv

Stop writing blank line at the end of CSV file (using MATLAB)

Hello all ... I'm using MATLAB to open a batch of CSV files containing column headers and data (using the 'importdata' function), then I manipulate the data a bit and write the headers and data to new CSV files using the 'dlmwrite' function. I'm using the '-append' and 'newline' attributes of 'dlmwrite' to add each line of text/data on...

reading csv files in scipy/numpy in Python

I am having trouble reading a csv file, delimited by tabs, in python. I use the following function: def csv2array(filename, skiprows=0, delimiter='\t', raw_header=False, missing=None, with_header=True): """ Parse a file name into an array. Return the array and additional header lines. By default, parse the header lines into ...

Replacing emty csv column values with a zero

Hey, So I'm dealing with a csv file that has missing values. What I want my script to is: #!/usr/bin/python import csv import sys #1. Place each record of a file in a list. #2. Iterate thru each element of the list and get its length. #3. If the length is less than one replace with value x. reader = csv.reader(open(sys.argv[1], "rb...

Parse a CSV file extracting some of the values but not all.

Good day, I have a local csv file with values that change daily called DailyValues.csv I need to extract the value field of category2 and category4. Then combine, sort and remove duplicates (if any) from the extracted values. Then save it to a new local file NewValues.txt. Here is an example of the DailyValues.csv file: category,dat...

Not being prompted to download CSV file.

I've created a custom solution in WordPress that will generate a CSV file to be downloaded by clicking a simple hyperlink, linked directly to this file. Instead of being prompted to download the file to the computer; the CSV opens in the the browser window instead. FWIW I'm on Media Temple using a vanilla install of WordPress. ...

Reading from CSVs in Python repeatedly?

I'm trying to check the value of extracted data against a csv I already have. It will only loop through the rows of the CSV once, I can only check one value of feed.items(). Is there a value I need to reset somewhere? Is there a better/more efficient way to do this? Thanks. orig = csv.reader(open("googlel.csv", "rb"), delimiter = ';') g...

Writing white space to CSV fields in Python?

When I try to write a field that includes whitespace in it, it gets split into multiple fields on the space. What's causing this? It's driving me insane. Thanks data = open("file.csv", "wb") w = csv.writer(data) w.writerow(['word1', 'word2']) w.writerow(['word 1', 'word2']) data.close() I'll get 2 fields(word1,word2) for first example...

Import & modify date data in MATLAB

I have a .csv file with records written in the following form: 2010-04-20 15:15:00,"8.9915176259e+00","8.8562623697e+00" 2010-04-20 15:30:00,"8.5718021723e+00","8.6633827160e+00" 2010-04-20 15:45:00,"8.4484844117e+00","8.4336586330e+00" 2010-04-20 16:00:00,"1.1106980342e+01","8.4333062208e+00" 2010-04-20 16:15:00,"9.0643470589e+00","8.6...

Storing cvs data for further manipulation using Ruby

I am dealing with a csv file that has some customer information (email, name, address, amount, [shopping_list: item 1, item 2]). I would like work with the data and produce some labels for printing... as well as to gather some extra information (total amounts, total items 1...) My main concern is to find the appropriate structure to st...

CSV is not creating format problems with integer value when generated through SSIS package

Hi I am trying to generate a CSV file from DB Query as source one of my column is having datatype nvarchar(50) with values as "01050007029604301001" After the export when the csv file is viewed using Excel the value appears as "1.0500E18" . How can i stop this . Please suggest ...

Python csv reader acting weird

So OK if I run this wrong code: csvReader1 = csv.reader(file('new_categories.csv', "rU"), delimiter=',') for row1 in csvReader1: print row1[0] print row1[8] category_sku = str(row[8]) if category_sku == sku: classifications["Craft"] = row[0] classifications["Theme"] = row[1] I get: Knitting 391...

php csv high load request

i have PHP serve and one csv file . i need to read csv file and send the data to the browser. if individual request = 10,000 or more (may be) then reading csv file from harddisk may be costly.how can i efficiently read csv file from PHP and send the data to the browser. there is no option to read data form relational db. only browser<--...

How can I automatically retrieve a CSV file from web, save it in a directory, and access it in C#?

I am working on an application which has to retrieve data from a CSV file online and display it with a click of a button. However, how can I automatically store the CSV file in a safe place where I can access the information? I am working with Visual Studio C#. Thank you. ...

Python DictReader - Skipping rows with missing columns?

heya, I have a Excel .CSV file I'm attempting to read in with DictReader. All seems to be well, except it seems to omit rows, specifically those with missing columns. Our input looks like: mail,givenName,sn,lorem,ipsum,dolor,telephoneNumber [email protected],ian,bay,3424,8403,2535,+65(2)34523534545 [email protected],mike,gibson,342...

Making CSV from PHP - Carriage return won't work

Seems like a fairly simple issue but can't get it to work. I am getting the user to download a csv file(which works fine). Basically I can't get the carriage return to work. header("Content-type: text/x-csv"); header("Content-Disposition: attachment; filename=search_results.csv"); echo '"Name","Age"\n"Chuck Norris","70"'; exit; Res...

Where to start to create an HTML website with 2 tables read from csv files using anything but php

I want to design a website which displays on loading two tables each with it's respective data from a csv file. Then every minute the website automatically refreshes. This problem seems so simple! But yet the solution eludes me. All of the files will be contained in 1 directory, not on a server but on a local machine. Such as sitting o...

Looking for a good text parsing library for C#

Has anyone run across a quality library that will parse, line by line, CSV, tab-delimited, and Excel files? I've started to do it manually but have noticed some of the intricacies in parsing a comma-delimited file. Such as situations where a cell has a comma in it as part of the data (blah,\"LastName, Jr.\",blah,blah). ...

Importing CSV filte to SQL server...

HI guys, I am trying to import CSV file to SQL server database, no success, I am still newbie to sql server, thanks Operation stopped... Initializing Data Flow Task (Success) Initializing Connections (Success) Setting SQL Command (Success) Setting Source Connection (Success) Setting Destination Connection (Success) Validating (Success...

SSIS ole db source stays on pre excute with data type unicode text stream

i am importing data from database SQL server 2008 to csv files .The source data has unicode format and the destination is non Unicode. As the source string can be very large i chose the the data type unicode text stream of the source column in stead WSTR in SSIS OLE DB source but due to this keeps on waiting on pre execute stage of Data ...

Parsing CSV File to MySQL DB in PHP

I have a some 350-lined CSV File with all sorts of vendors that fall into Clothes, Tools, Entertainment, etc.. categories. Using the following code I have been able to print out my CSV File. <?php $fp = fopen('promo_catalog_expanded.csv', 'r'); echo '<tr><td>'; echo implode('</td><td>', fgetcsv($fp, 4096, ',')); echo ...