Questions tagged [csvreader]

A CsvReader represents a reader that provides forward-only access to a CSV text data source. A CsvReader may also support other delimited-separator formats.

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Reading specific columns from csv file

I have a csv file called beers.csv and I am trying to read 4 columns from it ( brewery_name, beer_style, beer_name, beer_abv) which are all column headers. I have the following code: import csv csvFile = "beers.csv" csvData = csv.reader(csvFile,…
user3046782
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csvReared.Read method dosn't read the memory stream

Please tell me tell me what I'm doing wrong using (var mem = new MemoryStream()) { var writer = new StreamWriter(mem); writer.Write(csvText); writer.Flush(); using (var reader = new StreamReader(mem)) { mem.Seek(0,…
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Locate only the variable numeric data in filename in pandas column and place numbers in new column

I am using this code to pull in two CSVs of a similar naming convention, place their filenames in a "File" column and concatenate the dataframes into one dataframe called NatHrs. import glob from pathlib import Path path =…
Hudson H.
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python pandas csv_read put all row in first cell of the row

I am playing with famous titanic data. I have data csv with comma separation. And data looks like this: passengerId,survived,pclass,name,sex,age,sibSp,parch,ticket,fare,cabin,embarked 1,0,3,"Braund, Mr. Owen Harris",male,22,1,0,A/5…
Karollo
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R reading csv file i want to only one column with that row end with specific string value

** above image showing sample data list, so i want to get only record that content specific keyword end like (contact); on that row. ** data <- read.csv("csv.csv", sep = ',') # Get the max salary from data frame. Piname <-…
Mr Coder
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CSVReader "Script serialization error" for Unity

I have some really big problem. I try to read my csv files using CSVReader, but I have an error, "Script serailzation" What should I do? Please help me! Here is my code. I'm trying to check my path and folders name, but I can't fix it. //CSVReader…
BlackSperm
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How can two CSV files with the same data but different column orders be validated in Java?

I am trying to compare two CSV files that have the same data but columns in different orders. When the column orders match, the following code works: How can I tweak my following code to make it work when column orders don't match between the CSV…
ychaulagain
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How to read double quotes (") in CsvReader using c#?

I am trying to read a csv file using the following code. Its throwing an exception if there is double quotes (") in the data. I want to handle all the special chars while reading. using (TextReader reader = new StreamReader("C:\\test\test.csv")) { …
aka baka
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How to read csv file to get output without list but in normal String?

I would like to ask how to change code to get output: Nigel;UK;19 John;US;22 Carol;Germany;26 no this input (is it list?): ['Nigel', 'UK', '19'] ['John', 'US', '22'] ['Carol', 'Germany', '26'] code: import csv with open('friends.csv', 'r') as…
Mirek6
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Double Quote not close Java

J have CSV File first row is like this : LOC;11000;"Autorisation "valide";10;; When i try to read it with CSVReader i have only this: LOC;11000 I know the problem is the double quote, how i can do to remove all double quote on my CSV ? I try replace…
maa aam
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How to use csv reader to map columns from one file to another

I am new to Python csv.reader and I am trying to populate the data in sheet2 with the headers in sheet1: sheet1.csv contains the following headers 1 2 3 4 5 6 7 sheet2.csv contains the following…
Girl007
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Converting for each loop to for loop java while reading csv data java

I have the following code: try (CSVReader reader = new CSVReader(new FileReader(file))) { List r = reader.readAll(); r.forEach(x -> System.out.println(Arrays.toString(x))); }
Joe
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I am trying to confirm that this program is working properly, is there a way to output the values of these arrays to the console?

I am trying to confirm that this program is working properly, is there a way to output the values of these arrays to the console? using System; using Microsoft.VisualBasic.FileIO; class ReadingCSV { public static void Main() { …
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how to tell the for loop to read a file from the start?

While reading the CSV file in these lines: csv_file = open(sys.argv[1], "r") # reading the csv file into memory csv_reader = csv.DictReader(csv_file) When I tried to make a copy of the csv_reader while using the for loop it worked, but any changes…
reham501
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How to assert if exe file that has had extension changed to csv is in fact a csv file

I'm needing to create a file validator that can check if the file type is correct. Originally we were just checking the content-type of the request, but as always our testers have managed to get around the restriction by simply changing the file…
Chris Marshall
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