why do inode indices starts from 1 unlike array indexes which starts from 0
its a question from "the design of unix operating system" of maurice j bach
id be glad if i get to know the answer quickly
:) (0 Replies)
brothers why inode index starts from 1 unlike array inex which starts from 0
its a question from the design of unix operating system of maurice j.bach
i need to know the answer urgently...someone help please (1 Reply)
hi folks
i am facing problom while trying to access sql variable as array index ina unix shell script....script goes as below..
#!/bin/ksh
MAX=3
for elem in alpha beeta gaama
do
arr=$elem
((x=x+1))
Done
SQL_SERVER='servername'
/apps/sun5/utils/sqsh -S $SQL_SERVER -U user -P pwd -b -h... (1 Reply)
I am beginner in awk
awk 'BEGIN{for(i=1;(getline<"opnoise")>0;i++) arr=$1}{print arr}'
In the above script, opnoise is a file, I am reading it into an array and then printing the value corresponding to index 20. Well this is not my real objective, but I have posted this example to describe... (19 Replies)
Hi,
I'm just trying to use a dynamic index for some array elements that I'm accessing within a loop. Specifically, I want to access an array at variable position $counter and then also at location $counter + 1 and $counter + 2 (the second and third array positions after it) but I keep getting... (0 Replies)
Hi!
Let's say I would like to convert "1", "2", "3" to "a", "b", "c" respectively. But if a record contains other number then return "X".
input:
1
2
3
4
output:
a
b
c
X
What is the syntax for:
if(array doesn't contain a particular index){
then print the value "X" instead} (12 Replies)
Can you search AWK array elements and return each index value for that element.
For example an array named car would have index make and element engine. I want to return all makes with engine size 1.6.
Array woulld look like this:
BMW 1.6
BMW 2.0
BMW 2.5
AUDI 1.8
AUDI 1.6
... (11 Replies)
I am trying to reformat the table by filling any missing rows. The final table will have consecutive IDs in the first column. My problem is the index of the associate array in the awk script.
infile:
S01 36407 53706 88540
S02 69343 87098 87316
S03 50133 59721 107923... (4 Replies)
I am trying to assign indexes to an associative array in a for loop but I have to use an eval command to make it work, this doesn't seem correct I don't have to do this with regular arrays
For example, the following assignment fails without the eval command:
#! /bin/bash
read -d "\0" -a... (19 Replies)
Hello,
I have a complicated situational find and replace that I wrote in bash because I didn't know how to do everything in awk. The code works but is very slow, as expected.
To create my modified file, I am looping through an array that was populated earlier and making some replacements at... (6 Replies)
Discussion started by: LMHmedchem
6 Replies
LEARN ABOUT LINUX
sum
SUM(1) User Commands SUM(1)NAME
sum - checksum and count the blocks in a file
SYNOPSIS
sum [OPTION]... [FILE]...
DESCRIPTION
Print checksum and block counts for each FILE.
-r use BSD sum algorithm, use 1K blocks
-s, --sysv
use System V sum algorithm, use 512 bytes blocks
--help display this help and exit
--version
output version information and exit
With no FILE, or when FILE is -, read standard input.
AUTHOR
Written by Kayvan Aghaiepour and David MacKenzie.
REPORTING BUGS
Report sum bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report sum translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for sum is maintained as a Texinfo manual. If the info and sum programs are properly installed at your site, the
command
info coreutils 'sum invocation'
should give you access to the complete manual.
GNU coreutils 8.5 February 2011 SUM(1)