i'm trying to open a file with three or more columns and an undetermined, but finite number of rows. I want to define an array for each row with each element of the row as a sub array. The columns are separated by tabs or spaces.
Here's the file:
12x3.12z34b.342sd3.sds 454.23.23.232 ... (9 Replies)
Hello Experts,,
Can anybody give me a brief idea what is following bold letter statement is for!!
what is the term called so that I can google for it..
It seems to be an array inside another array..
awk'
/TXADDR/ { txaddr=$NF } ##understood
/TXDATA/ { txdata]=$NF... (1 Reply)
In a single dim. awk array, we can use :
<index> in <array name>
to determine whether a particualar index exists in the array or not.
Is there a way to achieve this in a awk multi dim. array ? (4 Replies)
Hi! I need to make dynamic multidimensional arrays using the vector class. I found in this page How to dynamically create a two dimensional array? - Microsoft: Visual C++ FAQ - Tek-Tips the way to do it in 2D, and now i'm trying to expand it to 3D but i don't understand how is the operator working,... (0 Replies)
Hi,
I was trying to process a file with the help of awk. I want to first display all the rows that contains 01 and at the end of processing I have to print some portion of all the lines. like below.
Output expected: (2 Replies)
I've been struggling with this for quite some time. I decided I should get some help with this. Nothing is working. I'm getting a segmentation fault or out of bounds error when I try to load the entries in the for loop.I'm really frustrated. :mad: Compiling isn't the problem. It's crapping out on... (5 Replies)
My language is C++. I have a multidimensional vector that I would like to sort by a specific "cell" or "field" within the main vector. Does anyone have any information on how to do this? I have searched all over the internet and every reference manual I can find. So far I have found very little to... (2 Replies)
I have an awk script that I am writing and I needed to make use of a multidimensional array to hold some data... Which is all fine but I need to loop through that array now and I have no idea how to do that.
for a regular array, the following works:
ARRAY
for(var in ARRAY) {
...
}
... (5 Replies)
Hi all!
I would like to know how to print $0 when using multidimensional array like below
time being I am using for loop to print columns like this
awk 'FNR==1{i++}
{for(k=1;k<=NF;k++)A=$k}
END{for(j=1;j<=25;j++)
print A,A,A,A,A,A,A,A,A,A,A,A,A,A}' file1 file2 so here my problem is I... (5 Replies)
I am learning about bash system variables, such as $ , @ and #.
I have this piece of script implementing an array and it is doing its job just fine.
This is not the only array I will be using.
Just for ease of maintenance and more coding I would like to have the arrays in two dimensional... (4 Replies)
Discussion started by: annacreek
4 Replies
LEARN ABOUT PHP
array_reverse
ARRAY_REVERSE(3) 1 ARRAY_REVERSE(3)array_reverse - Return an array with elements in reverse orderSYNOPSIS
array array_reverse (array $array, [bool $preserve_keys = false])
DESCRIPTION
Takes an input $array and returns a new array with the order of the elements reversed.
PARAMETERS
o $array
- The input array.
o $preserve_keys
- If set to TRUE numeric keys are preserved. Non-numeric keys are not affected by this setting and will always be preserved.
RETURN VALUES
Returns the reversed array.
EXAMPLES
Example #1
array_reverse(3) example
<?php
$input = array("php", 4.0, array("green", "red"));
$reversed = array_reverse($input);
$preserved = array_reverse($input, true);
print_r($input);
print_r($reversed);
print_r($preserved);
?>
The above example will output:
Array
(
[0] => php
[1] => 4
[2] => Array
(
[0] => green
[1] => red
)
)
Array
(
[0] => Array
(
[0] => green
[1] => red
)
[1] => 4
[2] => php
)
Array
(
[2] => Array
(
[0] => green
[1] => red
)
[1] => 4
[0] => php
)
SEE ALSO array_flip(3).
PHP Documentation Group ARRAY_REVERSE(3)