This tag refers to the process of writing text or data to a file.
Questions tagged [file-writing]
932 questions
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votes
4 answers
How to avoid the last comma while writing an integer array into a text file in python
I need to write an array of integers into a text file, but the formatted solution is adding the comma after each item and I'd like to avoid the last one.
The code looks like this:
with open(name, 'a+') as f:
line = ['FOO ',…
TeilaRei
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votes
1 answer
How to write .properties file in Scala
I'm new to Scala & Java, trying to write .properties file using it but its giving errors:
Ref: https://www.roseindia.net/java/example/java/core/write-properties-file-in-java.shtml
Following is code:
import java.io.File
import…
J.K.A.
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votes
4 answers
How can i send a X amount of numbers to a txt file in Java?
I need to send X numbers to a txt file in Java and i have this:
for(int count = 0; count< amount; count++){
text =text + array[count] + "\n";
try( PrintWriter out = new PrintWriter( "nums.txt" ) …
-1
votes
2 answers
Add ~ (tilde) in an Erlang string
I want to add ~ (tilde) in the string and write this string to a file.
Eg.
String = "~Hi~Welcome ~Presenting ~My~Problem~To~you Public ~L.",
ile:write_file(WriteFileName, io_lib:fwrite(String,[])).
Error received
** Reason for termination ==
**…
nikdange_me
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-1
votes
2 answers
tree batch - looping output
I am trying to make a program that will give me the tree of my C: drive as a .txt file in batch. the program, when run, prints the following to the text file tree.txt:
C:\>cd C:\
C:\>tree /a 1>>tree.txt
C:\>cd C:\
C:\>tree /a 1>>tree.txt…
roger
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-1
votes
1 answer
Writing numbers into a file- check code
I'm taking my first ever CS class and I have an assignment due Friday.
I just wanted someone to check my code and make sure it works/follows the directions.
Instructions:
Write a program that:
1) gets the name of a text file of numbers from the…
j.davis
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- 4
-1
votes
2 answers
In Java, how do I overwrite a specific part of a line in a file?
I have a csv file thats formatted like this id,text. Here is an example:
helloText,How are you
goodbyeMessage,Some new text for a change
errorMessage,Oops something went wrong
Now lets say for example I want to edit the text part of goodbyeMessage…
cod3min3
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-1
votes
1 answer
Adding blank lines in between
I have a function that exports a data table to a csv file. And there is a blank line added after every other line.
This is the output to a txt file
Assets|Profit Center|Plant|Asset Class|Depr Account|Cost Center|Inventory Number|Location|Cap…
DisarmedDevo
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-1
votes
1 answer
How to write csv file in apache spark using SparkR?
I am able to load data Successfully using following commands
sc = sparkR.init(master = 'local', sparkPackages = 'com.databricks:spark-csv_2.11:1.4.0')
sqlContext <- sparkRSQL.init(sc)
ss <- read.df(sqlContext,…
anmol sandhu
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-1
votes
1 answer
I am trying to advance to a new information each time someone signs up on my java application
So everytime someone clicks sign up on my program, I call a method that opens file and adds record.
This is to open the file:
try {
l = new Formatter("chineses.txt");
System.out.println("Did create");
} catch (Exception e){
…
adoba yua
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-1
votes
2 answers
Writing to file int converted to string
I just want simply write to file a string converted from int. But f.WriteString instead of number write a symbols from ASCII code table.
I expected "noReport = 12320 nr3h = 105 nr2h = 162 nr1h = 38 ok = 16899"
But instead got "noReport = 〠 nr3h…
nekto
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votes
1 answer
Keeping file open in R
After executing write.csv the file connection is closed, because of which whenever I write data into the file, the old data is lost.
But I want to keep writing data into the file without losing the old data.
How do I do that?
Thanks in advance.
curious programmer
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votes
2 answers
Using ofstream << operator
I am trying to write in a large file. My initial implementation was simply using std::cout and then redirecting the output to another file.
I made another implementation where I use std::ofstream where I write directly to a file and when I compared…
stryker
- 41
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-1
votes
1 answer
Python: Column index error with openpyxl
I have two lists which I want to write to a new xlsx file:
list1=[1,2,3,4]
list2=[A,B,C,D]
I want list1 to be dumped to column A and list2 to column B:
COLUMN A COLUMN B
1 A
2 B
3 C
4 D
This is my…
FaCoffee
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votes
1 answer
Object has no attribute and will not write to .txt file
I am attempting to write data to a .txt file. The data that is being written are the random integers from the randrange function in the following code.
I keep getting an error stating the object has no attribute when trying to write to the…
CUSE
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