Originally posted by Driver I'm not sure I understand your problem, but my guess would be this: The program writes error messages to the standard error stream, as opposed to the standard output stream. Therefore, the grep utility will not ``see'' it, because it only reads the standard output.
The solution: Redirect the standard error stream to a file or to the standard output stream.
(This does not work with (t)csh.)
Thanks for the reply but could you explain what you mean by standard error stream and standard output stream
I searched the post and someone said to clear the screen in C, use
printf("\033[2J"); ??
However, this doesn't work...typo or no.
What is an equivalent command to 'CLS' in DOS/'clear' in UNIX to clear the screen and go to top of screen??
Thank you. (2 Replies)
what is the syntax for clearing the screen in c ?
when i tried "Clrscr()" the CC complier does not reconise it.
please do tell me more about this.
thanking you
imma (6 Replies)
Hello everyone!
I'm trying to figure out how to send commands from one screen to another.
For example i wish to send a simple "ls -all" from screen #1 to screen #2,
can it be done, and how? :confused:
Thank you! (12 Replies)
hi
iam reading data from web page using request socket and curl socket.
now my problem is some the web page containg data as a image so how can i read the data from a image.
thank,inadvance.
sree (3 Replies)
Hi,
I'm trying to create a virtual screen, (maybe xvfb? or any other virtual screen buffer) and be able to use Screen Sharing to connect to it.
The setup is that I have a Mac Mini connected to the TV. But when my girlfriend is using Front Row, I can't use Screen Sharing at the same time from... (0 Replies)
Solaris 8/9/10:
Pls tell me how to create a screen session with read/write/execute access to me (owner) and read access to other user to see what I am doing,
Also tell me how can I transfer my ownership to some other user for read/write/execute access. (0 Replies)
Is it possible to read from the screen or standard output? If so, may I know how I can do this?
For example, I have an application running which prints out the following on the screen:
Starting tools from .image-tools...
imagecontrol_1: SECS/GEM-capable version is running
done
cindy@pgunix... (2 Replies)
I made a screen within a screen.
Is there a way to move the inner screen up one level so that it is at the same level as the first screen running from the shell? (2 Replies)
#Random Scripts 4
#Desc:
clear
echo "1. To see all processes currently running on the system"
echo "2. To kill any given process"
echo "Choose between the two"
read x
case $x in
"1")print `ps aux`;;
"2") echo "Choose a process to be killed"
read y
check=`ps ax | grep... (1 Reply)
Discussion started by: targetshell
1 Replies
LEARN ABOUT ULTRIX
maxcmapsofscreen
BlackPixelOfScreen(3X11) MIT X11R4 BlackPixelOfScreen(3X11)Name
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOf-
Screen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, Max-
CmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen - screen information functions and
macros
Syntax
BlackPixelOfScreen(screen)
WhitePixelOfScreen(screen)
CellsOfScreen(screen)
DefaultColormapOfScreen(screen)
DefaultDepthOfScreen(screen)
DefaultGCOfScreen(screen)
DefaultVisualOfScreen(screen)
DoesBackingStore(screen)
DoesSaveUnders(screen)
DisplayOfScreen(screen)
int XScreenNumberOfScreen(screen)
Screen *screen;
EventMaskOfScreen(screen)
HeightOfScreen(screen)
HeightMMOfScreen(screen)
MaxCmapsOfScreen(screen)
MinCmapsOfScreen(screen)
PlanesOfScreen(screen)
RootWindowOfScreen(screen)
WidthOfScreen(screen)
WidthMMOfScreen(screen)
Arguments
screen Specifies a pointer to the appropriate structure.
Description
The macro returns the black pixel value of the specified screen.
The macro returns the white pixel value of the specified screen.
The macro returns the number of colormap cells in the default colormap of the specified screen.
The macro returns the default colormap of the specified screen.
The macro returns the default depth of the root window of the specified screen.
The macro returns the default GC of the specified screen, which has the same depth as the root window of the screen.
The macro returns the default visual of the specified screen.
The macro returns or which indicate whether the screen supports backing stores.
The macro returns a Boolean value indicating whether the screen supports save unders.
The macro returns the display of the specified screen.
The function returns the screen index number of the specified screen.
The macro returns the root event mask of the root window for the specified screen at connection setup.
The macro returns the height of the specified screen.
The macro returns the height of the specified screen in millimeters.
The macro returns the maximum number of installed colormaps supported by the specified screen.
The macro returns the minimum number of installed colormaps supported by the specified screen.
The macro returns the number of planes in the root window of the specified screen.
The macro returns the root window of the specified screen.
The macro returns the width of the specified screen.
The macro returns the width of the specified screen in millimeters.
See AlsoAllPlanes(3X11), ImageByteOrder(3X11), IsCursorKey(3X11)
X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys
BlackPixelOfScreen(3X11)