Sponsored Content
Top Forums Programming how to put element of an array to first position. Post 302430557 by vprasads on Friday 18th of June 2010 03:58:40 AM
Old 06-18-2010
i tried this one to shift the element elephant to first position , but its not working, $_ is showing nothing here

if(grep $_ =~ m/elephant/, @array) {

unshift(@array, $_);
}

after moving the required element to the first position i want to remove that element from previous position.any help is appreciated.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

accessing my first element of array

Hello everyonel, I have an array set like so num=4 read name arr=name I go through while loop to assign different values to different array element from 1 to 4. when I try to access the FIRST element of the array I get the last one first. Like if I say ${arr} it will show the last element... (4 Replies)
Discussion started by: afadaghi
4 Replies

2. Shell Programming and Scripting

Shift array element

I want to delete and 0th element of array in shell scrpit and also shift all others to one level up. (2 Replies)
Discussion started by: darshakraut
2 Replies

3. Shell Programming and Scripting

How to put a word starting at particular position in a file using shell scripting

Hi all, I'm new to shell scripting and hence this query. I have 2 files. temp.txt and config.txt. The values in temp.txt are tab separated. ex: temp.txt AB CDE GHIJ OPQRS WXY ex:config.txt (1st line for 1st element of temp.txt and so on) start = '1' end='5' start = '6' end =... (26 Replies)
Discussion started by: subhrap.das
26 Replies

4. Shell Programming and Scripting

perl, put one array into many array when field is equal to sth

Hi Everyone, #!/usr/bin/perl use strict; use warnings; my @test=("a;b;qqq;c;d","a;b;ggg;c;d","a;b;qqq;c;d"); would like to split the @test array into two array: @test1=(("a;b;qqq;c;d","a;b;qqq;c;d"); and @test2=("a;b;ggg;c;d"); means search for 3rd filed. Thanks find the... (0 Replies)
Discussion started by: jimmy_y
0 Replies

5. Shell Programming and Scripting

How to put count for first element in a file at the end

Hi, I have a file where I need to count the total for the first element and put it back at the end of file... here is the example... input.. FHDR|ABC|20100607| |ABC|8453|CDE|E166|||| 123|ABC|8453|CDE|E166|||| 123|ABC|8453|CDE|E166|||| 111|ABC|8453|CDE|E166||||... (8 Replies)
Discussion started by: donadarsh
8 Replies

6. Shell Programming and Scripting

remove an element from array

I need to remove an element from the below array variable TABLENAME. #!/bin/ksh set -A TABLENAME "mirf roxar keke mirs" echo "the array is ${TABLENAME}" If i need to remove say keke and have the final TABLENAME as below, how this could be achieved. Pls throw some light. echo "Modified... (3 Replies)
Discussion started by: michaelrozar17
3 Replies

7. Shell Programming and Scripting

Multiplying array element

I am trying to take all the elements of an array and multiply them by 2, and then copy them to a new array. Here is what I have i=0 for true in DMGLIST do let DMGSIZES2="${DMGSIZES}"*2 let i++ done unset i echo ${DMGSIZES2} It does the calculation correctly for the first element,... (7 Replies)
Discussion started by: nextyoyoma
7 Replies

8. Shell Programming and Scripting

Put words to fix position in a file

Hi all, There are several lines in my file as a=123,b=dene,c=2312,d=234234,g=vxcvxcv,h=44 a=3,b=dene,c=22,d=23422342334,g=vxcvxcv,h=4 a=123,b=dene,c=2312,d=234234,g=vxcvxcv,h=678 I take values with this command awk -F '' '{print $1,$2,$3}' a.txt I want to put values to a fix position... (6 Replies)
Discussion started by: bahadiraktan
6 Replies

9. UNIX for Advanced & Expert Users

Array Element

This question is for someone that's more familiar with Array Element. I need to know if the maximum array element that can be assigned is 1024 and if its so, Is there a workaround solution when the counter exceeded 1024? param_array="$param_nam" counter=$counter+1 #to avoid space... (3 Replies)
Discussion started by: cumeh1624
3 Replies

10. Shell Programming and Scripting

If test array element multiplication

Ya, I know, who in this day and age is mirroring rootvg...? But yes, my shop does and I need to script checking for it. I also know I could just inverse the the logic and call the LV mirrored if the LPs and PPs were not equal. But I want to do the math in the if test and also know I could... (5 Replies)
Discussion started by: gtsonoma
5 Replies
ARRAY_POP(3)								 1							      ARRAY_POP(3)

array_pop - Pop the element off the end of array

SYNOPSIS
mixed array_pop (array &$array) DESCRIPTION
array_pop(3) pops and returns the last value of the $array, shortening the $array by one element. Note This function will reset(3) the array pointer of the input array after use. PARAMETERS
o $array - The array to get the value from. RETURN VALUES
Returns the last value of $array. If $array is empty (or is not an array), NULL will be returned. ERRORS
/EXCEPTIONS This function will produce an error of level E_WARNING when called on a non-array. EXAMPLES
Example #1 array_pop(3) example <?php $stack = array("orange", "banana", "apple", "raspberry"); $fruit = array_pop($stack); print_r($stack); ?> After this, $stack will have only 3 elements: Array ( [0] => orange [1] => banana [2] => apple ) and raspberry will be assigned to $fruit. SEE ALSO
array_push(3), array_shift(3), array_unshift(3). PHP Documentation Group ARRAY_POP(3)
All times are GMT -4. The time now is 03:37 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy