12-25-2009
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Does anybody experiencing this same problem?
I am using IRIX64 ver 6.5 at work.
I wrote some Perl scripts and to execute it.
First I try to put the Perl script at:
/$HOME/bin/perlscript
then I set the correct executable 755 right to the file
I make sure the PATH to the executable... (2 Replies)
Discussion started by: vtran4270
2 Replies
2. Shell Programming and Scripting
In a ksh script on an AIX box running a jillion oracle database processes, I'm setting a variable to one of two possible arguments, depending on cmd line arguments.
FINDIT="ps -ef | grep oracle | grep DBexport | grep rshrc"
-or-
FINDIT="ps -ef | grep oracle | grep prod | grep runback"
I... (3 Replies)
Discussion started by: zedmelon
3 Replies
3. UNIX for Dummies Questions & Answers
Hi, I'm pretty new to Unix and I just have a question concerning making a script executable without putting the "sh" command before it. In case it makes the difference I am on an Apple computer using the Terminal. Anyway here is the little test code I wrote followed by the commands I took to try... (1 Reply)
Discussion started by: BuyoCat
1 Replies
4. Shell Programming and Scripting
Hi All,
I have 3 shell scripts, Script1,Script2 and Script3. Now I want to run Script1 and Script2 in parallel and Script3 should depend on successful completion of both Script1 and Script2.
Could you please suggest an approach of acheiving this...
Thanks in advance (2 Replies)
Discussion started by: itsme_maverick
2 Replies
5. UNIX for Dummies Questions & Answers
Hi,
Test1.ksh
#! /bin/ksh
for i in $*
do
#echo "$i"
ksh test2.ksh $i &
done
test2.ksh
#! /bin/ksh
sleep 5s
echo "From Test 1 ==> $1"
exit 0;
I am executing as follows:
ksh test1.ksh a b c (10 Replies)
Discussion started by: risshanth
10 Replies
6. Shell Programming and Scripting
Hi all Im a newbie in shell scripting, i found it joyous creating simple adminitrative scripts, like adding users, modify and delete, remote sw install etc, now i want to intergrate my scripts to make a simple administrative tool, how do i access the scripts via a browser is it possible??
... (2 Replies)
Discussion started by: jefinah
2 Replies
7. Shell Programming and Scripting
Hi,
I am new to shell programming. I am trying to automate setting up a network using several scripts. Some of the scripts require to reboot in order to continue with the setup. Is it possible to enter another script as soon as the system reboots. Also, if the last line of the script is bash... (7 Replies)
Discussion started by: fantasyland
7 Replies
8. Shell Programming and Scripting
lyang0@lyang0-OptiPlex-755:~$ ./test.sh
.
lyang0@lyang0-OptiPlex-755:~$ cat test.sh
#!/bin/bash
echo `dirname $0`
lyang0@lyang0-OptiPlex-755:~$ pwd
/home/lyang0
it doesn't get "/home/lyang0" and only when run /home/lyang0/test.sh it will get, but how can I do, then it can get the real... (8 Replies)
Discussion started by: yanglei_fage
8 Replies
9. Shell Programming and Scripting
Running below command , but unable to print the filename , is there way to print filename/dirname using -print option
find . -type f -exec aclput -i fileacl.template {} \; (5 Replies)
Discussion started by: lalitpct
5 Replies
10. Shell Programming and Scripting
I have an if condition. If that condition is true then one script will be run and after that I need to check another condition based on the output value of first script.
i tried like below :
cd lock
if ; then
rm exitup
if ; then
kb_shutdown
kb_startup
if ; then
rm exitup
if ;... (3 Replies)
Discussion started by: charanarjun
3 Replies
LEARN ABOUT MINIX
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)