10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
In bash, you can do something like this:
#!/bin/bash
echo -n "What is your name? " > /dev/tty
read thename < /dev/tty
How can I do the same in python?
I have a python script that has the following content:
#!/usr/bin/python2.7
import getpass
import sys
import telnetlib
import... (2 Replies)
Discussion started by: SkySmart
2 Replies
2. Shell Programming and Scripting
i have strange behavior i have csh file that run java process something like this :
run_server.csh
#!/usr/bin/tcsh
java -Dtest=testparam -cp ${TEST}/lib/device.jar:${TEST}/conf:${TEST}/lib/commons-logging-1.1.1.jar com.device.server
when i run it like this :... (7 Replies)
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3. Shell Programming and Scripting
Suppose another person wrote the following one-line shell script:
echo $RANDOM > /dev/tty
QUESTION #1: How can the random number, which is output to the terminal by this script, be captured in a variable?
QUESTION #2: How can this be done in a cron job?
Specific code, whether in ksh or... (1 Reply)
Discussion started by: Paul R
1 Replies
4. Shell Programming and Scripting
Hey folks. I wrote a little awk script that summarizes /proc/net/dev info and then pipes it to the nix column command to set up column spacing appropriately.
Here's some example output:
Iface RxMBytes RxPackets RxErrs RxDrop TxMBytes TxPackets TxErrs TxDrop
bond0 9 83830... (3 Replies)
Discussion started by: ryran
3 Replies
5. Shell Programming and Scripting
Here's the code... obviously
#!/bin/bash
SRC=$1
function main {
validate
run
}
function validate {
if ]; then
printf "You need to supply a source.\n";
exit 1;
elif ]; then
printf "This is a... (18 Replies)
Discussion started by: Binary Buddha
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6. UNIX for Advanced & Expert Users
Hello!
unix os is OSF1 CP1 V4.0 878 alpha.It startup os normally.But when i use
a command to run application, it restart within 10 sec.I have no spare harddisk& application to reinstall.When i asked this problem at this forum, it replys that start up scripts are screwed and to mount each... (12 Replies)
Discussion started by: akzin
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7. UNIX for Dummies Questions & Answers
Is there a way with the bourne shell to have different types of files show up a different color when you do ls? (1 Reply)
Discussion started by: resullivan
1 Replies
8. UNIX for Advanced & Expert Users
Hi,
Output of running berkeley ps is truncated to 80 chars when using redirections.
$ /usr/ucb/ps -e 12490|cat #truncated to 80 chars
PID TT S TIME COMMAND
12490 pts/24 S 0:00 sleep 4000 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
getting longer lines is done by changing the stty
$... (7 Replies)
Discussion started by: fredy
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9. Shell Programming and Scripting
What is mean by "Stopped (tty output)", how can i get rid of it. (3 Replies)
Discussion started by: Chandu
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10. UNIX Desktop Questions & Answers
Hello, I am somewhat new to linux. I just installed Red Hat 7.2 and when I try to load gnome or KDE in colors above 8bit it will kind of lock up and display some wierd scrambled cable look. I have an ATI Radeon 7000. I check out my monitor settings they are fine. Is it the graphics card? I set my... (1 Reply)
Discussion started by: Sage3k
1 Replies
ppmquantall(1) General Commands Manual ppmquantall(1)
NAME
ppmquantall - run ppmquant on a bunch of files all at once, so they share a common colormap
SYNOPSIS
ppmquantall [-ext extension] ncolors ppmfile ...
DESCRIPTION
Takes a bunch of portable pixmap as input. Chooses ncolors colors to best represent all of the images, maps the existing colors to the new
ones, and overwrites the input files with the new quantized versions.
If you don't want to overwrite your input files, use the -ext option. The output files are then named the same as the input files, plus a
period and the extension text you specify.
Verbose explanation: Let's say you've got a dozen pixmaps that you want to display on the screen all at the same time. Your screen can
only display 256 different colors, but the pixmaps have a total of a thousand or so different colors. For a single pixmap you solve this
problem with ppmquant; this script solves it for multiple pixmaps. All it does is concatenate them together into one big pixmap, run
ppmquant on that, and then split it up into little pixmaps again.
(Note that another way to solve this problem is to pre-select a set of colors and then use ppmquant's -map option to separately quantize
each pixmap to that set.)
SEE ALSO
ppmquant(1), ppm(5)
BUGS
It's a csh script. Csh scripts are not portable to System V. Scripts in general are not portable to non-Unix environments.
AUTHOR
Copyright (C) 1991 by Jef Poskanzer.
27 July 1990 ppmquantall(1)