Programming :: C Program To Get Input Of Array And Output It

Aug 14, 2010

I am creating a 15 integer array which is input from the user and outputted for the.

Ex.
Enter the array values: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Your values are: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Code:

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Programming :: Array Size Base On User Input?

Oct 27, 2010

If I have an array which its size is based on the user input, from some material, I need to use malloc function to allocate memory for that array what is known dynamic array. Don't forget to free it.hat's fine, however, I like to try things out even I know the program will crash.I have written some test program on my Mac using C language like this:int width = 0;//get user input, and assign the input value to width, for example, 3char * array_var[width];and width is an int, its value will be assigned by the user input. The point is, this program work as expected, for example, in command line, I input 3, then array_var length is 3, its size is 3 * sizeof(char *).

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Programming :: Input String Into Array Without Using Quotation Marks

Oct 11, 2010

I want to put a string, such as the one found in the image, into an array that will later be chopped into individual words and put into another array of individual words found in the initial string. (or, perhaps, I would be able to do that initially, but for now, that is the goal)My question is, how can I do that without using quotation marks?

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Programming :: Assigning Output Of A Command To An Array In Perl?

Nov 25, 2010

I am trying to execute a Unix Command in perl and assigning its output to an array:

Code:
@File_List=exec("ls -1 /tmp");
but it is not working. I have tried the perl function system() also but its return code is

[code]...

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Programming :: Send A Mysql Query Output Into An Array?

Jul 27, 2010

i will be quick, im trying to send a mysql query output into an array ie:

Code:
declare -a HD
HD=`echo "USE db; SELECT uid FROM user" | mysql -u $login -p$pwd -h $dbhost -B`
echo ${#HD}
those vars in mysql connection are previously and correctly assigned.
but got an error

script.sh: 2: declare: not found

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Programming :: Nested Loop Using A Counter To Increment Array Output?

Feb 2, 2011

I work in a simulations environment. I'm trying to write a bash script that will read fields from a .csv file into an array, the first field being an identifiyng number and the second field being a corresponding url. There are about 1600 of these number/url combinations in the .csv file that i'm reading from. Once that is done i want it to parse a text file and match the number, when it has a match i want it to enter the corresponding url into a particular line in the text file. The script I have written (with the help of the people on this forum a while back) does this well, but now I have a lot more data to parse. I think the script itself is explanatory enough to see what i'm doing. What i would like to do is cut it down to one while loop nested inside another loop so that I don't have 1600 or so elif statements. I can't figure out how to increment the output of the array. for instance, the first cycle would find the number that matches ${record1[2]} and input the url stored in ${record1[3]}. the next cycle would match ${record1[4]} and input the url in ${record1[5]}, and so on, does that make sense? The code is below and a sample .csv and text file are attached.

[Code]...

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Programming :: Giving Output Of A Command As The Input To Another

Sep 7, 2010

While making a shell ,there is the following problem Im facing:

I am expecting the user to enter commands in the following format :

I am to separate these and the output of ls -l should be given as input to grep and the output of both to more.

But I am allowed (by our instructor) to use dup/dup2 or any other command(but not pipe or tees).

How to connect the file descriptors after successful execution of each command?

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Programming :: Creating Array From Command Output (Bash Shell Script)

Jan 26, 2011

I have a command that outputs n lines of text, and I want to place each line into an array element, but I can't seem to get the syntax correct

So my command is this:
cat $configfile | sed -n '/cluster:'$clustername'/,/cluster/ p' | awk /host/

Which produces many lines depending on the value of $clustername. I'd like to get each line as elements of an array.

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Programming :: Bash: Passing Output To Another Programs Input?

Nov 12, 2009

I am not sure if that Subject really explains it, basically I have a script that executes a CLI java-applet that requires a passphrase from the user. I can easily execute this by issuing the -p argument followed by the passphrase however that shows up on possible logs or at least on the results of the ' ps ' command. If you do not supply this -p argument it provides a new line with the echo " Enter Passphrase: " and asks for input.

how can I provide a result/input for the Passphrase request and is it still possible to throw this application in the background with the ' & ' following the command? I have seen a few examples that show a /bin/expect that expects a result and sends a command however I would like to refrain from any extra dependencies. Example of Regular Execution of application:

Code:

$ /usr/local/***/**** -u USERNAME -r Default-Realm -f certificate.der
Password:

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Programming :: Input/output Trouble Cause Segmentation Fault?

Jul 13, 2011

Dear advanced c/g++ programers:A program request me to enter twice inputthat program probably is tested good on visual c++ 7.1 on window xp,but my system is g++ on linux(Ubuntu10.04)

It assume
Enter some strings: a b c d
^Z

[code]....

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Programming :: Input And Output On C++ Programming ?

Jan 28, 2010

As i am new to C++ i couldn't figure out how to input a file and make some change on the file and produce a output file. like this problem i have is.

"Program that processes an input file and produces an output file. The input file will contain lines of data, each containing two floating point numbers. The lines of the output file should contain the two numbers read and their average (with a '$' sign and 2 places after the decimal point)."

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Programming :: Checking Of Input In Roman Program?

Apr 11, 2010

i have to write a program which checks the information inside a text file to make sure it is all integers and then convert the integers to roman Numerals. My program seems to have a bit of a problem and im not sure where exactly the problem is....

Code:
#include<stdlib.h>
#include<string>

[code]....

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Programming :: Passing Input To Program For Test

Apr 13, 2011

I started to run a C++ my program in Linux and I don't know how to test my program that works fine with a text file. This is a project for my uni and to explain more clear, My program is a sample database for modify or add and search and it read data from a binary file and also write into a binary file. I have got an input from my lecture and she said after compiling in Linux I must write:

1-to compile:
Code:
g++ (files with cpp)
2-to see the output:
Code:
./a.out
3-to test with input:
Code:
./a.out < input.txt >

My problem is in step three. What I must write in the command part after" step2" to see the output?

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Programming :: Awk - Input From One Line - Execute Program - Input From Next Line - Execute Program

Sep 25, 2010

I have a file with two fields of numbers that I want to use as input for another program.

Code:

The above code does not work, as I think it would take the whole first and second fields as the input for one particular instance of the program 'inputbashangle'. What I want is to get the first two numbers from the first line of the file 'outfailtest', execute 'inputbashangle' with them, then move on to the first two numbers of the second line for all the lines of 'outfailtest'.

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Programming :: Write A Program Which Will Read Input From A Text File

Apr 7, 2010

i am trying to write a program which will read input from a text file, check if each line contains any alphabets and then display a message imforming me if there is an alphabet in each line. My text file is formatted in this way...

[Code]....

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Programming :: Output Of The C Program?

Jun 8, 2009

See the first program below :

Code:

This code when compiled gives the following errors:

1. conflicting types for 'fun' at line no: 9

2. previous declaration of 'fun' was here at line no: 3

Why is this happening?

If i modify the above program as shown in the second program below:

Code:

This code when compiled gives no errors.

Why the difference occurs between the first and second program?

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Programming :: Make The Program Check If Either On Of The Input (either $Title Or $Author) Is Not Filled Up

Jan 11, 2010

Title : Author : Price
France : Mark : 40
Persia : John : 50

how i arranged my database. I am trying to write aprogram which does a search either using Title, Author or both.

[Code]....

but i am still unclear on how i am able to make the program check if either on of the input(either $Title or $Author) is not filled up, and if one of it is not filled up, use the other one which is filled to do a search.

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Programming :: No Output To Log File From Daemon Program?

Mar 18, 2011

I am learning Linux daemon programming and write a simple daemon program. The issue is no data is written to the log file (/var/tmp/simpledeamon.log) though the file is successfully created (it's file size is zero from ls -l output). Could someone kindly point out the error in my program,The code is based on the Devin Watson's article at Here is the code:

// simplydaemon.cpp
// A simple Linux daemon.
#include <sys/types.h>

[code]...

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Programming :: Uncertain Output Of C++ String Concatenation Program

Sep 15, 2010

The below program is giving unpredictable and wrong output when I compile with g++ under Ubuntu OS , tried with the complier avilable with Ubuntu 8.04 and Ubuntu 10.04 LTS.

But it works fine when complied and ran Redhat g++ 3.4.6

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Programming :: Create A Simple Program With Will Continually Read Input From The User Until They Enter A Blank Line?

Apr 6, 2011

basically i have to create a simple program with will continually read input from the user until they enter a blank linei know how to read in certain input but not sure how to get it continually in a loop

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Ubuntu :: Japanese Input - 10.04 - SCIM Input Program ?

May 5, 2010

I would like to use Japanese kana (hiragana, katakana, kanji) on Ubuntu but everything that I've tried to get it set up and running isn't working. The Spanish that I have set up is working perfectly so far.

I've read, the SCIM input program should start up automatically when loading a program, it doesn't. When I have it loaded I cannot seem to get the input working.

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Programming :: C Realloc Resize Array / Delete And Add Information Into The Array?

Mar 6, 2011

I am trying to dynamically delete and add information into the array "blah"

Code:
int blahsize = 1;
char** blah = (char**) calloc(blahsize+1,sizeof(char*));
Adding information:
Code:
blah[1]=stuff1;
blah[2]=stuff2;
code....

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Programming :: Convert Short Array To Char Array?

Jun 7, 2010

I have trouble converting a short array to a char array

Code:

short pShort[4] = { 0x41, 0x42, 0x43, 0x44 };

How to convert this to a char array?

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Programming :: Converting A PHP Array Into An HTML Array?

Aug 9, 2009

I'm writing a PHP program. I've encountered a problem; in the following code I try to pass $_POST['delete'] which is an array as the value of a hidden input to some form, but it doesn't do so.there's something wrong with converting PHP array into HTML array. I'm sure that $_POST['delete'] is not null and is a real array.

echo '<input type="hidden" name="delete[]" value="'.$_POST['delete'].'" />';

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Programming :: Filling 2D Array With 1D Array In C?

May 26, 2010

(I am using vector() and matrix() functions from "Numerical recipes in C".)There are 100 numbers to be stored in 2D array of 10 rows and 10 columns.100 numbers are stored in a 1D array.I get "segmentation fault" at the line indicated in the segment of my code below:

Code:

:
:
#define size 100
#define nl 1

[code]....

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Programming :: Bash Array Add Function Example Using Indirect Array Reference As Function Argument?

Jun 20, 2010

I looked on the net for such function or example and didin't find anything, thus after having made one i guess it would be legitimate to drop it to see what others thinks of it.

#!/bin/bash
addelementtoarray()
{
local arrayname=$1

[code]....

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Ubuntu :: Output To Input ?

Jan 7, 2011

What does this command mean? Is this some sort of a pipe where output of one program goes to input of another?

Code:

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General :: Unable To Display Output Using Awk In Array Iteration?

Jul 29, 2010

My script is not diaplying output as it contains awk while iterating over the array. My script is as follows:

shortcodes=( "56882" "58585" "58888" "57575" "57677" );
for shortcode in ${shortcodes[@]}
do
echo "`awk -F"|" '/ShortCode=tel:$shortcode/ { arr[substr($2,1,4)]++ } END { for( no in arr) { print no , arr[no] } }'

[code]....

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Ubuntu :: 5 - Input - Output Error

Nov 19, 2010

Today went from jaunty to koala then to lucid. The package manager doesnt work nothing works in terminal for apt-get or anything getting the message ---->

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Ubuntu :: SSD -- /dev/sda: Input/output Error?

Jun 25, 2011

Quote:Error benchmarking: helper exited with exit code 1: Error reading 27099136 bytes at 2509258752 from /dev/sda: Input/output errorthis issue is also preventing me from making a copy/backup of the partition with gpartedwhich i decided i should do since i had a scare when booting todayunable to mount / i said fix itthen it said /var was not readyi waited it became readyi am running 10.04.2 would upgrading the kernel to get trim support fix it?

Code:
sudo fsck -t ext4 /dev/sda1
fsck from util-linux-ng 2.17.2
e2fsck 1.41.14 (22-Dec-2010)
System: clean, 247383/983040 files, 1394162/3907803 blocks
Solution: drive is under warranty and it needs to be used this is not software problem

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