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counting the number of times a character appears in a file in a case insensitive manner using C language

c,file-handling,case-insensitive
The problem statement : a C program to count the number of times a character appears in the File. character is considered Case insensitive. I have converted both the input character and character from the file to upper case so that none of the occurrence of the character goes uncounted....

Load a large text file into a string

c#,string,file-handling
I'm looking to load a 150 MB text file into a string. The file is UTF16 encoded, so it will produce a string that's about 150 MB in memory. All the methods I have tried result in an Out of Memory exception. I know this is a huge string, and...

Python context for file or None

python,file-handling,with-statement
Python is going to call a subprocess, the user either requested that subprocesses stdout is to go to a file (or back-holed to os.devnull), or the subprocesses output is to be passed though "in real time". My current best guess as how to do this would seemingly work: Let file_path...

VBA 7.0 in Excel, Line Input appears to add extra quotes around the line

excel,vba,excel-vba,file-handling
I have a file with lines like: one two three When I read from one file and write to another, they end up quoted. They are also quoted within the variable in the watch window. Also when I have a file with: "one", "two", "three" It ends up written as:...

Using Gawk and Printf in a Bash script

bash,scripting,printf,file-handling,gawk
I am trying to separate a file into smaller files with gawk and rename the smaller files in order from the original file. for i in *.txt do gawk -v RS="START_of_LINE_to_SEPARATE" 'NF{ print RS$0 > "new_file_"++n".txt"}' $i done The output gives me: new_file_1.txt new_file_2.txt ect... I would like the output...

Error in Downloading large files from Server using Java

java,file,file-handling
I am new to File handling in Java. I have written a code which should download a file from the server. The code is working for files upto size 70 MB.If large files are downloaded it throws an Exception. SRVE0260E: The server cannot use the error page specified for your...

Save Arraylist to file android

android,arraylist,file-handling
I'm doing my first Android app here and I'm trying to write an ArrayList<String> to a file, and read it back. Here's my code to write the file: (Class is called SaveFiles) public static void writeList(Context c, ArrayList<String> list){ try{ FileOutputStream fos = c.openFileOutput("NAME", Context.MODE_PRIVATE); ObjectOutputStream os = new ObjectOutputStream(fos);...

Using a bash script to apply another script to every file in a directory like a matrix

bash,shell,matrix,scripting,file-handling
Let's say in my directory I have five files. Files: 1,2,3,4, & 5 I have a script that will do a mathematical process to compare two files and I want to use this script on every file in the directory, example below. compare file 1 to 2,3,4, & 5 compare...

How to call a system file selection dialog using perl on windows?

perl,file-handling,filehandle,filehandler,fileopendialog
I know many perl based gui module would do that easily but I am curious about methods other than Prima or Tk etc. I want to call this dialog (Exactly looking as Windows Explorer) for a command line package. Is anything similar to system(''); command possible. Pls Mind that, I...

c file handling : unable to write after 25 y?

c,file-handling
#include<stdio.h> main() { FILE *p,*q; char b; int a; p = fopen("three", "w"); for(a=1; a<=50; a++) fprintf(p, "%c", a); fclose(p); q = fopen("three", "r"); while(!feof(q)) { fscanf(q, "%c", &b); //dont print after 25! ? printf("%d",b); } fclose(q); } The question is why it does not print after 25. I tried...

C# Scoreboard .txt scoreboard making for a tetris game

c#,linq,sorting,io,file-handling
I am making a Tetris game in c# console. I have done most of the game but i am stuck with file handling. I haven"t really found anything related to this so i tought i might give it a shot and ask it. So what i am trying to do...

What is ios::in|ios::out?

c++,file-handling
I was reading some project code and I found this,here MembersOfLibrary() is a constructor of class MenberOfLibrary class MembersOfLibrary { public: MembersOfLibrary(); ~MembersOfLibrary() {} void addMember(); void removeMember(); unsigned int searchMember(unsigned int MembershipNo); void searchMember(unsigned char * name); void displayMember(); private: Members libMembers; }; MembersOfLibrary::MembersOfLibrary() { fstream memberData; memberData.open("member.txt", ios::in|ios::out);...

Linked List, Stuck on file management

c,linked-list,file-handling
I am trying to read from a file called data.txt. and store it into a LL which looks like this Quanta 2 New 2 Ready 2 A 1 3 B 3 4 C 5 6 D 7 9 I would like to read that file, one line at a time,...

PHP Search Not Matching Line in File

javascript,php,file-handling,strpos,comparison-operators
Just creating a simple login system for a school club. And I am trying to send an error if the name that is entered does not match any line in the file containing student names. The file looks a bit like this: Student One 8M2 Student Two 8M3 Student Three...

Why does tellp() return 0 for ios::app but not for ios::ate?

c++,file-handling
I have the following code snippet : ofile.open("New1.dat",ios::app|ios::binary|ios::ate); long bytes = ofile.tellp()/sizeof(t); cout<<ofile.tellp()<<endl; //line 1 t.input(bytes); ofile.write((char *)&t,sizeof(t)); ofile.close(); When I remove ios::app or ios::ate, the output of line 1 is 0, howeever only when both of them are together, they give the correct file location. Why does this happen?...

Compare consecutive columns of a file and return the number of non-matching elements

python,file-handling
I have a text file which looks like this: # sampleID HGDP00511 HGDP00511 HGDP00512 HGDP00512 HGDP00513 HGDP00513 M rs4124251 0 0 A G 0 A M rs6650104 0 A C T 0 0 M rs12184279 0 0 G A T 0 I want to compare the consecutive columns and return...

File Handling and making directories to match in bash

bash,shell,sorting,matching,file-handling
I have these files: File_1.2.txt, File_1.5.txt, File_2.3.txt, and File_4.7.txt. I want to make directories for them and sort them into the directories, like below. Dir_001 -> File_1.2.txt File_1.5.txt Dir_002 -> File_1.2.txt File_2.3.txt Dir_003 -> File_2.3.txt Dir_004 -> File_4.7.txt Dir_005 -> File_1.5.txt Dir_007 -> File_4.7.txt So a directory is made for...

How to make excel backup checker script get file with newest date

vba,excel-vba,file-handling
I have a program that creates backups after format: <name>_<date> Some of them have more backups, some of them have none. There are kept up to 3 backups with same name but different dates. I have an excel table that contains names and a script that checks if there is...

PHP write contents to file with user submitted data [duplicate]

php,file-handling
This question already has an answer here: What is the difference between single-quoted and double-quoted strings in PHP? 9 answers I am trying to write contents to a file with user submitted data. I have some text say "my name is" and after this text i want to write...

Map filled with file names and set as request attribute by servlet appears empty in JSP

jsp,servlets,hashmap,file-handling
I'm creating a blogging system for a project (academic). I have a problem where I need to pass a map (LinkedHashMap) to a jsp file. But browser shows Nothing. Here's my code: public void doService (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = "localhost:8080/YouBlogger/Posts/"; File dir =...

How to reset $.?

perl,file-handling
I know $. shows the line number when $/ is set to "\n". I wanted to emulate the Unix tail command in Perl and print the last 10 lines from a file but $. didn't work. If the file contains 14 lines it starts from 15 in the next loop....

How to remove a particular word from a text that satisfies a condition?

java,file-handling
I have a text file with lots of words. I'd like to remove words that contain repetitive letters(eg. zoos - contains 2 o's). What is the best way to do this ?

Unexpected traceback on text file in Python

python,file-handling,traceback
I'm experiencing a "Traceback (most recent call last):" error when I try to write to a text file using this code. All three files already exist (although I believe they shouldn't have to - the code should create them if it cannot find them, should it not?), and they are...

How to create sub string in a line read from text file separated by comma

javascript,ajax,regex,file-handling
I am java script newbie and i have a text file like this Address.txt : Andhra Pradesh,East Godavari,Reach within 36 Hrs Andhra Pradesh,Guntur,Reach within 36 Hrs Andhra Pradesh,Krishna,Reach within 36 Hrs Andhra Pradesh,Visakhapatnam,Reach within 36 Hrs Andhra Pradesh,Chittoor,Reach within 36 Hrs Now i want to separate each loine by substring...

fstat() return 0, with file size 0 and errno 11

c,linux,file-handling,fstat
I'm trying the following thing in my code:- { int y,n_bytes; struct stat temp_data; y = fstat(netdev->queue_fd[class_id],&temp_data); printf("Success - %d , size -> %lld , Error- %d \n",y,temp_data.st_size,errno); n_bytes = write(netdev->queue_fd[class_id],buffer->data,buffer->size); y = fstat(netdev->queue_fd[class_id],&temp_data); printf("After write Success - %d , size -> %lld , Error- %d and the value of...

How do we get text from a file (word-by-word) into a 2D array in PHP?

php,arrays,parsing,file-handling
I have a text file with some stuff that I would like to put into a 2D array. That text file comprises of sentences of equal length. How do I put each word into an array? Example of text file is - This is stackoverflow I am user This file...

read data from text file and filter content

java,file-handling
I have a text file which has some securities market datas i want to read the content of the file up to now i am able to read the whole content but what I need is read perticular lines not whole content and i want to store that perticular line...

File Handling Error in C

c,file-handling
I am learning file handling in C.I have this code but it is not accepting string as an input to write it to a file.Any help will be appreciated. #include<stdio.h> #include<string.h> #include <stdlib.h> int main(void) { FILE * fp1; fp1 = fopen("abc.txt","a+"); if(fp1==NULL) {printf("An error occurred"); } printf("Delete file?\n"); int...

Write output of android shell command to a file

android,android-manifest,file-handling,systrace
I am trying to write output of atrace to sdcard. I am using getRuntime().exec()("atrace gfx > /storage/sdcard0/trace.txt") in the app.App is signed as a system app and the command is working fine from terminal.But no file is created when running it from the app.

File handling in getline function

c++,getline,file-handling
I have a text file that looks like this: A 4 6 B 5 7 c 4 8 I want to store it in three different arrays: char pro[]; // contains values A B C int arrival[]; // contains values of 4 5 5 int Burst[]; // contains values of...

separate a particular chunk of line through file handling [duplicate]

c#,file-handling
This question already has an answer here: Reading CSV file and storing values into an array 10 answers I am using c# to access a text file through file handling. I want to go through all the lines and separate a particular chunk from each line e.g col1 col2...

Remove trailing white-spaces from each line in a file

ruby-on-rails,ruby,file-handling
I am using ruby and I want to remove trailing white-spaces at the end of each line in a file. One way to do this, iterate line by line and save it in another file and then replace new file with the old one. temp_file = Tempfile.new("temp") f.each_line do |line|...