11-01-2006
simple one
echo
echo
((zz=$ee+$ff+$aa))
echo $zz
<==Problem==>
ee= 12.5
ff = 20.6
aa = 10.5
The ouput of zz should be 43.6 BUT i am getting 42. So it means anything after the comma is not counted. Please help.
9 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I have installed Windows and Linux on the same machine but now it starts with windows all the time i need to get in and install Lilo but i don't know how i can get access to my Linux system, i have created an boot disk but it tries to start the installation all the time, i need to boot so i can get... (3 Replies)
Discussion started by: sajjan2
3 Replies
2. UNIX for Dummies Questions & Answers
Ok what is BSD exactly? I know its a type of open source but what is it exactly? (1 Reply)
Discussion started by: Corrail
1 Replies
3. Shell Programming and Scripting
Hi,
I have a variable (x) that holds a file name - I need to write this:
if x matches the patern *ABC* or the pattern DEF*T then
action A
else
action B
fi
how to do that?
Also, how can i change the or test to AND test?
Thanks. (2 Replies)
Discussion started by: GNMIKE
2 Replies
4. Shell Programming and Scripting
Hi, new to the forums and just need a little help, I have a sript to write and as far as I can see it should work fine but it refuses to run properly, it has issues with the end of a line but I see no issue, would anyone assist please, I just someone to seconed check I have not overlooked something... (5 Replies)
Discussion started by: Dim-Wit
5 Replies
5. Programming
Hello. I'm a complete newbie to C programming. I have a C program that wasn't written by me where I need to write some wrappers around it to automate and make it easier for a client to use. The problem is that the program accepts standard input to control the program... I'm hoping to find a simple... (6 Replies)
Discussion started by: Xeed
6 Replies
6. Shell Programming and Scripting
hey all, im new and my first question is:
say i have a word "blahblah"
how do i get and replace the last letter of the word with say k, so replace the h with a k.
However you cant just replace the h it has to change the LAST LETTER of the word.
Cheers In advance.
:b: (0 Replies)
Discussion started by: aleks001
0 Replies
7. Shell Programming and Scripting
Hello all!
This is my first post and I'm very new to programming. I would like help creating a simple perl or bash script that I will be using in my work as a junior bioinformatician.
Essentially, I would like to take a tab-delimted or .csv text with 3 columns and write them to a "3D" matrix:
... (16 Replies)
Discussion started by: torchij
16 Replies
8. Red Hat
Cheers!
In /etc/syslog.conf, if an error type is not specified, is it logged anywhere (most preferable is it logged to /var/log/messages) or not?
To be more precise I am interested in error and critical level messages. At default these errors are not specified in syslog.conf, and I need to... (6 Replies)
Discussion started by: dr1zzt3r
6 Replies
9. UNIX for Dummies Questions & Answers
The attachment says it all really...
It is a DEMO at a glance digital readout using the "date" command to make it useful...
For a Mocbook Pro 13", OSX 10.7.5, but may well work on Linux variants too.
Enjoy...
#!/bin/bash
#
# Clock.sh
# A bash DEMO to create a 6 x 7 character set... (4 Replies)
Discussion started by: wisecracker
4 Replies
LEARN ABOUT OPENSOLARIS
echo
echo(3XCURSES) X/Open Curses Library Functions echo(3XCURSES)
NAME
echo, noecho - enable/disable terminal echo
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int echo(void);
int noecho(void);
DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft-
ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.
RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO
getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)
SunOS 5.11 5 Jun 2002 echo(3XCURSES)