Programming :: Initialize Ksh Array When First Element Includes Hyphen?

Jul 19, 2011

I'm trying to create an array with variable including hyphenbut ksh refuses the first element

set -A allArgs
set +A allArgs ${allArgs[@]} -all
set +A allArgs ${allArgs[@]} -date


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Programming :: Arrays In The C Programming Language Are Pointers To The First Element Of The Array?

Mar 27, 2010

I wonder why arrays in the C programming language are pointers to the first element of the array, not the first element of the array itself?

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Programming :: Count Occurrency Of Each Array Element - Perl?

May 10, 2010

Exist it a perl function to count how much each array element is into array?

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Programming :: Perl Beginner - Can't Get PerlMagick To Read Filename From Array Element?

Aug 21, 2010

it's been a while since I logged on here! I've been trying my hand at a little perl and have hit a brick wall.I'm using the Imagemagick module to manipulate some images. I can get the following to work without issue:

$teampath = "/var/www/team1";


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Programming :: Perl's Foreach Loop Can't Use An Array Element As The Control Variable?

Jul 22, 2011

I'm reading "OReilly Learning Perl 5th Edition", and there are such words:Code:You can use an array element like $fred[2] in every place? where you could use any other scalavariable like $fred.At the bottom of the page, it explains the ? like this:Code:The most notable exception is that the control variable of a foreach loop, which you?ll see later in this chapter, must be a simple scalar.Since Perl has the save-and-restore mechanism for the control variable, why an array element can't be used as the control variable

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Programming :: Declare An Array With Fixed Size And Initialize All The Elements To Zero

Jul 5, 2010

I want to declare an array with fixed size and initialize all the elements to zero. i want all elements of x to be zero and i dont know how to specify the size of array. also i have problem in comparing values in loops. my script is as follows:

let k=0
declare -a x
for U in ${S[@]}
for (( T=1276082023 ; $T -le 1276082139 ; (( T++ )) ))


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Programming :: Error - Array Type Has Incomplete Element Type

Jan 26, 2010

I'm trying to compile a program and it gives me the following:

I checked cmath-util.h:46 and cmath-util.h:48:

I'm not a C person, and the author is unavailable so far.

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General :: Incrementing Array Element In Shell Scripting

Jun 23, 2010

ch[1]=0; ch[2]=0; ch[3]=0; ch[4]=0; ch[5]=0; ch[6]=0; ch[7]=0; ch[8]=0; ch[9]=0; ch[10]=0;ch[11]=0; ch[12]=0; ch[13]=0; ch[14]=0; ch[15]=0 ch[16]=0; ch[17]=0; ch[18]=0; ch[19]=10; ch[20]=0;

I have an array ch and I want to increment each element in my array for the following if statement. I'm not sure I have the right array increment syntax but I have tried it in different ways ant it doesn't seem to work.

I tried ch[$1]++, ch[$1]+1, ch[$1++], ch[$1]+=1, ch[$1]=ch[$1]+1 none of these seem to work.
# while loop reading from read.txt for check list 1 - 15
for i in `seq 15`
a=`grep "${cl[$i]}" $file`
if [[ $status = 0 ]];
echo -n -e "1 "
let ch[$i+1]
let k++
echo -n -e "0 "
for l in `seq 20`
echo -n -e "${ch[$l]} "

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Programming :: Check If A Variable Holding A Character Is A Hyphen?

Mar 4, 2010

I am having trouble with the code below, I'm trying to check if a variable holding a character is a hyphen.


if (( "$char" == "-" )); then


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Programming :: No While Loop Is AllowedThe Lecturer's Tip Was To Treat "-" As Negative And Not Hyphen?

Mar 25, 2010

I have a assignment relating to barcode reading.Let say i have to enter the 13 digit barcode with hyphen e.g "Enter barcode:123-46574-48847" using scanf.Once thats done how do i extract the values without the hyphene.g using printf "1234657448847". No arrays No strings and No function is allowed.No while loop is allowedThe lecturer's tip was to treat "-" as negative and not hyphen.

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General :: Program Includes .so Which Includes .a?

Mar 19, 2010

I have prepared a static lib(.a) comprising 2 function definitions. I have created a different shared library(.so) comprising 2 more functions. The two functions of .so use the functions defined in the .a file. That is, the .so file uses the services of the .a file. Next, I create an executable that uses the shared library(.so). When I build my executable, it needs to be linked with the .a file as well. it gives me undefined reference for the functions defined in the .a file. Why is that so? I am posing this question because, the .a file has already been included(static linking) while bulding the .so. Is there any workaround so that I need not link the .a file with my final executable?

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Programming :: Select The 3rd Element Of A Drop Down List?

Feb 9, 2011

I'm trying to make a very small script with greasemonkey to do some automatic things when a page loads. The first thing I need to do is to click on a link. I've done that. Then I need to select the 3rd element of a drop down list that appears a few moments (depending on the connection) after the link is pressed, without reloading the page (ajax or something like that). This I can't get to work, The select has no id or class, but I can get its xpath value. There is only one select on the page. I've tried both setTimeOut and the DOMNodeInserted event with no effect.

// ==UserScript==
// @name test
// @namespace ""
// @include
// ==/UserScript==


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Programming :: Makefile Index Of List Element?

Apr 5, 2011

So I have been trying for 8 hours to try to get the index of an element from a list in a Makefile. The problem is that after I get the index using all the methods I have tried, the index cant be used in the "word" function:

for instance:
$(OUTPUT2) : INDEX = $(shell echo $(OUTPUT2) | sed -r -e "s/[ ]+/
/g" | grep -n $@ | sed 's/^([0-9]*):.*/1/')

will create a variable INDEX defined specifically for each member of OUTPUT2, so that each output knows its index. Unfortunately, when I pass this $(INDEX) into word, it doesn't work:

$(OUTPUT2) : $(word $(INDEX), $(INPUT1)) $(word $(INDEX), $(INPUT2))
echo $(INAME) $(TMPBASE) $@
and I get the error:
Makefile:16: *** non-numeric first argument to `word' function: 'num'. Stop.

I feel like if I could just convert a string to a Makefile acceptable number this would just work....

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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"

int blahsize = 1;
char** blah = (char**) calloc(blahsize+1,sizeof(char*));
Adding information:

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Programming :: POSIX__Philosophers At Dinner: Error: Initializer Element Is Not Constant

Jun 23, 2010

I changed my post because I found that solution, and didn't want to bother for that. But, since I didnt find a way to delete the post, I thought of updating it: I am beginning to write the code for the philosophers problem. As you know, they can eat, think or wait for forks. When they have 2 forks, one by each side, they eat. Then they set the 2 forks as available, and think.

Each philosopher is a thread. My problem is that it gives segmentation fault, somehow, when I try to initialize. The thing I really don't understand, is why it sometimes gives segmentation fault on initialization #0!!! (But generally on initialization #1) I have set 5 initializations in total, defined by N, that is also the number of threads I'm working on.

PHP Code: #include<stdio.h>
#include <time.h>
#define N 5

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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


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 :: Libxml2: Removing Output On Stdout/stderr - Element CA Does Not Carry Attribute Maxlength

Jul 26, 2010

I'm using libxml2 to handle/manipulate some XML files. In order to check the consistency of a XML file, I have a DTD and I'm using the xmlValidateDtd method to compute the check.

However, when an error occures during the check (for example an attribute is missing in a XML tag), then libxml2 writes the error on the stdout/stderr. For exemple:


/home/XML/FreeFour.xml:18: element CA: validity error : Element CA does not carry attribute maxlength

The method return the right result (true or false depending on the check result), but occurring errors are written on the stdout/stderr, and I actually don't want that.

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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:


#define size 100
#define nl 1


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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.

local arrayname=$1


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Programming :: Replacing A String Of Text That Includes "/"

Sep 29, 2010

Suppose I have a file named temp.txt

cat temp.txt

If I would like to replace "one" with "six" I would do this:

cat temp.txt | sed 's/one/six/'

Now I want to replace "one/two" with "six/seven" and these options don't work:
cat temp.txt | sed 's/one/two/six/seven/' (OFCOURSE)
cat temp.txt | sed 's/"one/two"/"six/seven"/'

I even want to be able to replace "one/two" with "six/seven/eight"

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Programming :: C - Initialize An Undetermined Number Of Variables?

Feb 3, 2010

In C, how can I declare multiple variables at once where the number that needs to be declared is unknown to the programmer.For example, a program that needs to declare some number of integers, but the user will tell the program how many integers to declare. Such as:
Where the programmer doesn't know how many need to be declare you setup theinitialization?

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Programming :: Array Containing Words In C?

Sep 24, 2010

This array is supposed to contain 12 elements (names of the month) What I want to achieve is that depending on some user input (a number 1-12) a full name of one of the months will be displayed, eg.

scanf("%d", &month);
printf("The month is %c", months_names[month]);

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Programming :: How To Do An Array Of Characters

Feb 18, 2010

I am trying to create an array containing all ASCII characters, how do I create one:

CHARLIST=( a b c d e f g h i j k l m n o p q r s t u v w x y z


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Programming :: Getting String Value From Array?

Oct 29, 2009

I've got a problem...

a[0] = 22
echo $[a[0]]
echoes 22 - that works fine


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Programming :: Array Creation At Run-time In C++?

Apr 4, 2010

I have a text file from which i read a number of names with their lengths at the run-time.Now i want to created a char array having the length and name as already read from the text file at the run-time. There is no compilation involved. Every thing is happening at the run-time. I tried using STL like map along with malloc but i am unable to name an array at run-time. I can keep some type of mapping with previously created arrays

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Programming :: Convert String To Int Array?

May 9, 2010

I've searched around and can't find out how to convert a string ( like "12345" ) into an int array ( x[ 5 ] = { 1, 2, 3, 4, 5 } ; ).

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Programming :: Represent Alphabet Into A Array?

Jul 9, 2010

i am trying to represent alphabet into a array, and then i can count the frequency

for example

but i find the index of the array seems to be


I was try this way get the ascii for them, actually I have done this in java and it is simple.

something like this format

I have done a lot of searching , but cannot get what I want.'%d' "'$char" like this would not work.

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Programming :: Sorting 2 Dimension Array?

Aug 5, 2010

how to sort the 2 dimensional array below by column 1 then by column 2?

22 55
2222 2230
33 66
44 58
222 240


this is a small part in my awk script. the input data is not in file, but it was manipulated in my script.

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Programming :: Write Apr4sens In Array

Jun 3, 2011


I manage to write apr4sens into file,works fine.But how to write it into array,which I could later reshape and so on. I tryied like this
group=apr4sens. It doesn't work.

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