Line By Line is a NodeJS module that helps you reading large text files, line by line, without buffering the files into memory.
Questions tagged [line-by-line]
114 questions
1
vote
1 answer
Reading Line by Line Using PHP Via JSON String
I am trying to create a PHP function which will allow me to read selected lines from a text file using a JSON string. The JSON string consists of two numbers separated by a comma. The first number is the line I want to seek, and the second is the…
Wammy
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3 answers
How to read a text file by line in python
I want to randomly retrieve and print a whole line from a text file.
The text file is basically a list and so each item on that list needs to be searched.
import random
a= random.random
prefix = ["CYBER-", "up-", "down-", "joy-"]
suprafix =…
Francis Brady
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2 answers
Line by line textfile reading in android
The problem may be familiar and may even be tagged as a duplicate. I have tried reading other problems similar to mine and tried to do it, might as say copied it (xD), but to no avail though.
I am new to Android Programming and I am trying to read a…
LadyWinter
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1 answer
gdb: debug line by line with pipe
If I want to debug my program I call it like this:
gdb ./myprog
$ run < input.txt
But now I want to execute it line by line, but how can I do this? I know the step command but I can only call it, if the run command was called before. Do I have to…
NaN
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1 answer
How to run Octave from a Notepad++ file line by line or by sections?
I am looking for a way to have my Notepad++ window open for editing my code and run it line by line or by sections (more than 1 line) while I am editing. It would be like having a real IDE; the output could be shown in the same window (Notepad++) or…
JaimeBee
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2 answers
In C#, How can I copy a file with arbitrary encoding, reading line by line, without adding or deleting a newline
I need to be able to take a text file with unknown encoding (e.g., UTF-8, UTF-16, ...) and copy it line by line, making specific changes as I go. In this example, I am changing the encoding, however there are other uses for this kind of processing.…
David Rogers
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1 answer
Executing grep via Perl
I am new to Perl. I am trying to execute grep command with perl.
I have to read input from a file and based on the input, the grep has to be executed.
My code is as follows:
#!/usr/bin/perl
use warnings;
use strict;
#Reading input files line by…
Dinesh
- 16,014
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vote
1 answer
Vim Substitution Line by Line
I would like to run a command such as :s/write/run/ on a line by line basis.
We can specify a range of lines such as :31,44s/write/run/.
We can also search :/write/ and press n to move to the next occurrence.
Is it possible to substitute in the…
Bryan
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4 answers
How to read a huge text file through javascript or jquery?
How can I read a huge text file line by line through javascript or jquery?
I cant read all and split to an array because it will require lots of memmory. I just want to stream it...
EDIT
As a note I am working on a google chrome extension so that…
user1141820
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- 9
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3 answers
C# Line by Line check of a file
I am reading from a file line by line and i want to edit some of the lines i read..
The lines i want to edit must have some other specific lines above or below them, but i dont know how to express that in C#.
For…
tequilaras
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0 answers
How to calculate each line of datas from different tables on Power BI?
I am struggling with a calculation on Power BI.
Let's say you have two tables: 'Budget 2021' and 'Budget 2022', with the following data:
"Budget 2021" table:
Month Budget 1
January 150
February 200
March 350
"Budget 2022" table:
Month Budget…
Niina
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1 answer
Not able write list of values line by line in a csv file
Here i am reading a csv file line by line(to update and append some values) and convert into a list.
While again trying to write a csv file from the list,I'm unable to write it line by line.
Actual Format:
1 abc 76-8 3 sht 09-9 5 bry 77-0
Expected…
shreyas
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0 answers
Show last row in dataframe if error is insert command in db table
I have a script that inserts data from a DataFrame into a Teradata DB table
example list:
0 1 2 3 \
0 2022-09-28 13:52:31.000192 U 1643652 2270.0
1 2022-09-28 13:52:31.000192 U 1643653 2272.0
I'm looking for a…
Serg
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0
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3 answers
how to print divisibles of a number in separate lines?
In Java, I have been trying to print the divisibles of the number 5. I got them to print out, but I would like to print four numbers in each line. I am using the following to print out the numbers divided by 5.
System.out.println("\nDivided by 5:…
parisr lover
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- 3
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votes
1 answer
cleaning textfile each line by line ignoring few rows through python without using pandas
I want to use this text file in python, Read line by line, and want output as a list of lists with 9 columns (Team, Date, Rnd, A, W, D, L, Venue,Date)like:
Arsenal 2021 Rnd A W D L Venue Date
R1 Tottenham 1 0 0 Emirates March
R2 Man utd 0 1 0 Old…
user16603508
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