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)
Hello,
I am trying to assign $string = $a; #a= 10100
print " $string"; # showing 10100
I am using this $string as $result = index($string, $char, $offset);
As above, is not capturing binary nos. in following format;
$string = '10100';
so index is not working.
kindly suggest. (5 Replies)
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 ${TABLENAME}"
If i need to remove say keke and have the final TABLENAME as below, how this could be achieved. Pls throw some light.
echo "Modified... (3 Replies)
Hi every one.. I'm new to shell scripting... I would like to assign a single array element to a variable... Is it possible to do it....
Could any body help me.... (3 Replies)
I am trying to take all the elements of an array and multiply them by 2, and then copy them to a new array. Here is what I have
i=0
for true in DMGLIST
do
let DMGSIZES2="${DMGSIZES}"*2
let i++
done
unset i
echo ${DMGSIZES2}
It does the calculation correctly for the first element,... (7 Replies)
Dear community,
I have to do something too hard for me :rolleyes:. I hope you can help me.
This is an output coming from Oracle query, stored in a file called query.out, there are many rows, but I read them, one by one, using while/read/done. Assuming each row is contained into $line variable... (8 Replies)
Hello All,
Maybe I'm Missing something here but I have NOOO idea what the heck is going on with this....?
I have a Variable that contains a PATTERN of what I'm considering "Illegal Characters". So what I'm doing is looping
through a string containing some of these "Illegal Characters". Now... (5 Replies)
This question is for someone that's more familiar with Array Element.
I need to know if the maximum array element that can be assigned is 1024 and if its so, Is there a workaround solution when the counter exceeded 1024?
param_array="$param_nam"
counter=$counter+1
#to avoid space... (3 Replies)
Hello,
I have a simple task and I am having some trouble with the syntax. I have a variable with an assigned value,
CMD_STRING='-L 22 -s 0 -r -O -A i -N 100 -n'
I would like to add that variable to an array. As far as I have been able to look up, the syntax should be something like,
... (4 Replies)
Discussion started by: LMHmedchem
4 Replies
LEARN ABOUT SUSE
eval
EVAL(1P) POSIX Programmer's Manual EVAL(1P)PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
eval - construct command by concatenating arguments
SYNOPSIS
eval [argument ...]
DESCRIPTION
The eval utility shall construct a command by concatenating arguments together, separating each with a <space>. The constructed command
shall be read and executed by the shell.
OPTIONS
None.
OPERANDS
See the DESCRIPTION.
STDIN
Not used.
INPUT FILES
None.
ENVIRONMENT VARIABLES
None.
ASYNCHRONOUS EVENTS
Default.
STDOUT
Not used.
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
None.
EXTENDED DESCRIPTION
None.
EXIT STATUS
If there are no arguments, or only null arguments, eval shall return a zero exit status; otherwise, it shall return the exit status of the
command defined by the string of concatenated arguments separated by <space>s.
CONSEQUENCES OF ERRORS
Default.
The following sections are informative.
APPLICATION USAGE
None.
EXAMPLES
foo=10 x=foo
y='$'$x
echo $y
$foo
eval y='$'$x
echo $y
10
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
Special Built-In Utilities
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE
and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained
online at http://www.opengroup.org/unix/online.html .
IEEE /The Open Group 2003 EVAL(1P)