Questions tagged [fileparsing]
170 questions
3
votes
3 answers
What is the best way to read a text file two lines at a time in Java?
BufferedReader in;
String line;
while ((line = in.readLine() != null) {
processor.doStuffWith(line);
}
This is how I would process a file line-by-line. In this case, however, I want to send two lines of text to the processor in every…
Ross
- 9,652
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- 35
3
votes
1 answer
Share objects between celery tasks
I have got a program that handle about 500 000 files {Ai} and for each file, it will fetch a definition {Di} for the parsing.
For now, each file {Ai} is parsed by a dedicated celery task and each time the definition file {Di} is parsed again to…
Ali SAID OMAR
- 6,404
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- 56
3
votes
3 answers
Parsing newline delimited file
I'm working on a project where I want to parse a text file using Python. The file consists of some data entry in formats of blocks that vary. A new entry is found when there is a new line. This is what I would like to accomplish:
Skip the first few…
who_lee_oh
- 119
- 1
- 2
- 9
3
votes
2 answers
Binary Reading of Bytes Returning only One Value. C#
The console displays 0,0,0,0 when I am expecting 0,1,2,3.
This is a modified version of: https://msdn.microsoft.com/en-us/library/system.io.binarywriter(v=vs.110).aspx
using System;
using System.IO;
namespace testingfilereadwrite
{
class…
UpTide
- 307
- 3
- 13
3
votes
2 answers
Cleanest Perl parser for Makefile-like continuation lines
A perl script I'm writing needs to parse a file that has continuation lines like a Makefile. i.e. lines that begin with whitespace are part of the previous line.
I wrote the code below but don't feel like it is very clean or perl-ish (heck, it…
TomOnTime
- 4,175
- 4
- 36
- 39
2
votes
2 answers
C: File parsing without losing white space
I am parsing a file for particular keyword matching by C program,
here is my sample code...
#include
int main() {
FILE *infile = fopen("Somefile.txt", "r");
char buffer[256];
char value[128];
while (fgets(buffer,…
Nimit
- 1,714
- 3
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- 33
2
votes
2 answers
How can I run compare content in a Variable against a hashtable on PowerShell
I have a hashtable as below:
$ProjectType = @{
CSharp = 'FAE04EC0-301F-11D3-BF4B-00C04F79EFBC'
Web_Application = '349C5851-65DF-11DA-9384-00065B846F21'
Windows_Communication_Foundation =…
Caleb Adepoju
- 115
- 8
2
votes
0 answers
How to parse a txt-file and then send it via multi-part?
I am trying to change a file, uploaded to form via user, before being sent to server via POST and multipart (I inactivate the button until all file is parsed fully). Is there a way to change the uploaded file ( i call it newFile below) in the form?…
Sturm
- 93
- 1
- 7
2
votes
1 answer
My code is reading in the last variable in line and the first variable in the next line (in a text file) as a single element?
This (title) is happening for some reason.
I have a text file like this:
5
H H H H H
V H H H H
H X X X X
H D H H H
H H H H X
I parsed the file with
input.useDelimiter(" ");
I read in and store the number on line 1 in a…
cplusalex
- 83
- 4
2
votes
6 answers
Parsing a Quickbook IIF format file
I'm working with Quickbook's IIF file format and I need to write a parser to read and write IIF files and I'm running into some issues reading the files.
The files are simple, they're tab deliminated. Every line is either a table definition or a…
Malfist
- 31,179
- 61
- 182
- 269
2
votes
4 answers
What's the best way to match strings in a file to case class in Scala?
We have a file that contains data that we want to match to a case class. I know enough to brute force it but looking for an idiomatic way in scala.
Given File:
#record
name:John Doe
age: 34
#record
name: Smith Holy
age: 33
# some…
dlite922
- 1,924
- 3
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- 60
2
votes
2 answers
Displaying multiframe dicom images using HTML5 canvas and Javascript
I'm trying to display multi-frame dicom images in a browser using HTML5 canvas and javascript. So far I can render single framed images just fine but I'm having trouble with multi framed images.
For parsing the file I'm using the DicomParser…
James M
- 209
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- 10
2
votes
1 answer
Generate binary file with given structure
I have a device witch use binary format style config, and i have to generate that files on-the-fly.
File structure must consist of a number of configuration settings (1 per parameter) each of the form:
Type
Length
Value
where:
Type: is a…
canni
- 5,737
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2
votes
0 answers
How to validate cvs file header in apache Apache Commons CVS
I want to parse a CVS file using Apache Commons CVS. And there may be a scenario where user passed the wrong header row say 5 instead of 1. Is there any way to validate the header row passed to cvsParser if contains all Strings and not some other…
Rama Arjun
- 273
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2
votes
3 answers
Print a string that contains a certain pattern in Java
I am trying to find a regular expression within a line of a .csv file, so I can eventually save all the matches to another file, and lose all the other junk.
So a line in my file might look like:
MachineName,User,IP,VariableData,Location
The…
jjpotter
- 45
- 4