This tag can be used on questions about reading files.
To work with stored data, file handling belongs to the core knowledge of every programmer. One of the core file handling methods is reading a file.
Questions tagged [file-read]
644 questions
-3
votes
4 answers
Need help to read specific line in a log which ends with specific word
I need help on java code to read a log file that can print all lines present ends with START word.
my file contains:
test 1 START
test2 XYZ
test 3 ABC
test 2 START
it should print
test 1 START
test 2 START
I tried below code but it printing…
smriti
- 1,124
- 5
- 14
- 35
-3
votes
2 answers
How can I determine what I read from a file? Java
So I want to read a file, that contains numbers separated by spaces. For example, the file "try.txt" content is:
1 2 3
4 5 6
7 8 9
I know how to read this numbers and store them in an array with a Scanner, and two nested for loops.Ignore any…
AliAs
- 93
- 1
- 1
- 12
-3
votes
2 answers
Java - Reading a big file (few GB)
This question is very short.
I have a file with a size of 4GB and at the moment I do read it with this code:
public class Main {
public static void main(String[] args) {
byte[] content = null;
try {
content =…
Niton
- 189
- 4
- 16
-3
votes
2 answers
Importing certain details from a 'txt' file
I have a .txt file where names and addresses appear in the following format:
Sam, 35 Marly Road
...
...
I want to be able to search Sam and for 35 Marly Road to come up.
Here is the code I have so far:
name = input("Please insert your required…
A.Yasin
- 1
- 1
-3
votes
2 answers
Text File to Lua Array Table
I need to transfer a text from a text file/string to a Table with a 2 positions vector. Like this:
Text File:
Gustavo 20
Danilo 20
Dimas 40
Table
Names = {{Gustavo,20},{Danilo,20},{Dimas,40}}
Need help to do this.
-3
votes
3 answers
Why segmentation fault in CODE 1?
Code 1:
#include
#include
#include
main(int argc,char **argv)
{
FILE *fp;
char lineBuf[100],**p=NULL,temp[100];
int cnt,j,i;
if(argc!=2)
{
puts("ERROR:Invalid no.of arguments");
…
Jhansi Rani
- 449
- 1
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- 11
-4
votes
3 answers
Reading data from multiple text files
I am new to Java programming, I am trying to print names, read multiple text files from a folder and counting the word frequency of each word file, when i am reading a folder all the text files are printed but they are not read, please look at the…
sum2000
- 1,363
- 5
- 21
- 36
-4
votes
1 answer
What's wrong with this code in language C?
I study on an university and I got a task to do, and this needs to read a file in C. I'm very beginner in C and the teacher not so helpful, so I need someone other helps.
What's wrong with this code:
void main( )
{
FILE *fp ;
char ch ;
…
Erix
- 11
- 2
-4
votes
1 answer
CSS file: I want to read css file from .aspx page
I am reading css file from aspx
Login.aspx
LoginWebForm
…
Mrunal
- 111
- 1
- 2
- 11
-4
votes
3 answers
How to use Python read a text file and transfer to dictionary?
1. How do you like this product?
As someone who wears glasses for distance, but not contacts I have struggled with vision on the slopes
At this price, I'm very happy with the B1. They were very comfortable
I wore these all winter for 10 weeks of…
Boomshakalaka
- 521
- 1
- 6
- 19
-4
votes
1 answer
How to use data in a column to find average, max, min, etc?
I am trying to create a program that finds the max, min, average and the bmi of a data file. The file is 12 columns wide, however, I do not know how to use the data to create a bmi for each line? side note: I cannot use Pandas, I am required to…
user7497887
- 9
- 7
-4
votes
2 answers
write array in python
I have a csv file that contains a list of data points.
1.3
5.0
15.35
14.3
9.8
4.4
7.6
9.87
How can I write a python program that can read the numbers in the csv file and make them into an array x so…
jms1980
- 1,017
- 1
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- 37
-5
votes
2 answers
reading from a file using the input type=file in grails
Hi I have the following code in my grails gsp