06-19-2008
Afaik AIX is usually used in banking and insurancy sector a lot. I think a job search machine can tell you a lot more how many AIX admins companies are looking for.
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1. Programming
I'm having a problem getting this to work..
I got 3 files,
start.C - Where i got my main() function
Menu.C & Menu.h - Where I'm trying to use hash_map
start.C
#include <iostream>
#include "Menu.h"
using namespace std;
int main() { /* test code here */ return 0; }
Menu.h ... (1 Reply)
Discussion started by: J.P
1 Replies
2. Programming
I've been wondering if I can make mutexes much easier to use in C++ with creative use of a locking class and variable scope, but I'm not sure if things happen in the order I want. Here's pseudocode for something that could use the class:
int someclass::getvalue()
{
int retval;
... (0 Replies)
Discussion started by: Corona688
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3. Programming
Each thread has a copy of auto variables within a function, but variables
declared as static within a function are common to all threads. To circumvent
this can static variables be placed outside the function. If so, will the
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4. Shell Programming and Scripting
I call my script with two parameters
myscript.sh aaa bbb
What is the way to access $1 and $2 values inside a function? I call the function like this
myfuntion $1 $1
but inside of the function, $1 and $2 are empty. Any suggestions? thank you in advanced. (1 Reply)
Discussion started by: aristegui
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5. Shell Programming and Scripting
Hi ,
I'm trying to change the variable value in a while loop , however its not working it seems that the problem with subshells while reading the file.
#!/bin/sh
FLAG=0;
cat filename | while read data
do
FLAG=1;
done
echo $FLAG
Should display 1 instead displays 0 (13 Replies)
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6. Shell Programming and Scripting
Hi,
I want to know about the variable scope in shell script.
How can we use the script argument inside the function?
fn () {
echo $1 ## I want this argument should be the main script argument and not the funtion argument.
}
also are there any local,global types in shell script?
if... (3 Replies)
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7. AIX
Hello All,
I am getting this error while compiling my application on IBM AIX 5.3.
As I tried to define _XOPEN_SOURCE=500 in makefile, that didn't work.
Please help us to resolve the error. (0 Replies)
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8. Shell Programming and Scripting
I am trying to use bc to calculate the difference between two nano second time stamps. bc does the calculation but seems to ignore the scale option:
micro_start=$(date +%s.%N)
# .. some stuff happens here
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TOT=$(echo "scale=3; $micro_stop - $micro_start" | bc)... (2 Replies)
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9. AIX
I am mac end user learn some shell and applescripting
I am looking AIX as system admin as career and learning AIX p520
what is scope of AIX as admin and about technology in demand in market
I am confused, can anybody from AIX elaborate or mail me some experience
please: (1 Reply)
Discussion started by: himanshuk
1 Replies
10. UNIX for Advanced & Expert Users
Hi all
I have a script that listens on a named pipe. That all works fine but I want to trap any kill signals and make sure I delete the named pipe on exit.
I can delete it fine exiting normally but cannot get the trap to see the variable holding the pipe name -
trap "rm -f ${PIPE};exit"... (1 Reply)
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LEARN ABOUT ULTRIX
pbmreduce
pbmreduce(1) General Commands Manual pbmreduce(1)
NAME
pbmreduce - read a portable bitmap and reduce it N times
SYNOPSIS
pbmreduce [-floyd|-fs|-threshold ] [-value val] N [pbmfile]
DESCRIPTION
Reads a portable bitmap as input. Reduces it by a factor of N, and produces a portable bitmap as output.
pbmreduce duplicates a lot of the functionality of pgmtopbm; you could do something like pnmscale | pgmtopbm, but pbmreduce is a lot
faster.
pbmreduce can be used to "re-halftone" an image. Let's say you have a scanner that only produces black&white, not grayscale, and it does a
terrible job of halftoning (most b&w scanners fit this description). One way to fix the halftoning is to scan at the highest possible res-
olution, say 300 dpi, and then reduce by a factor of three or so using pbmreduce. You can even correct the brightness of an image, by
using the -value flag.
OPTIONS
By default, the halftoning after the reduction is done via boustrophedonic Floyd-Steinberg error diffusion; however, the -threshold flag
can be used to specify simple thresholding. This gives better results when reducing line drawings.
The -value flag alters the thresholding value for all quantizations. It should be a real number between 0 and 1. Above 0.5 means darker
images; below 0.5 means lighter.
All flags can be abbreviated to their shortest unique prefix.
SEE ALSO
pnmenlarge(1), pnmscale(1), pgmtopbm(1), pbm(5)
AUTHOR
Copyright (C) 1988 by Jef Poskanzer.
02 August 1989 pbmreduce(1)