I need to determine what processes are running at certain times of the day. I have a script that issues the /usr/ucb/ps aux command and captures it to a file.
I want to see the cpu usage and memory usage.
This command lops off the end of the of the display line so I can't see the entire... (2 Replies)
Hi there!
I'm trying to write a script that will capture output from a command and assign it to a variable.
Let's say, for example, I'd like to catch from inside the script whatever the following command outputs:
ls *.aaa
and put it into a variable "listoffiles".
What I tried was:
set... (3 Replies)
I need to know what the upload speed of an Internet connection. I thought the easiest way to do this would be to transfer a file via FTP to my server using the command:
sh-3.2$ ftp -u ftp://username:password@computerdomain/directory/ file_to_be_uploaded
Note: My environment allows me to issue... (2 Replies)
Hi,
When I execute this command
prtdiag -v
output sample :
System clock frequency: 160 MHZ
Memory size: 4GB
==================================== CPUs ====================================
E$ CPU CPU
CPU Freq Size ... (4 Replies)
i mean command line WEBCAM image capture. sorry fo rleaving webcam out of the title... how do i edit that?
anyways...
imagemagick, ffmpeg are installed.
cheese works fine. webcam is there. i can take movies and photos.
i would like to take command line snapshots from the camera. how do i do... (0 Replies)
&& echo "PLEASE enter the command to capture output" || echo "Processing your command manual"
x=$#
echo $x
while
do
while man $@ | read -r line
do
>$@.txt
... (1 Reply)
Hi I want to check if some process is sleeping. I can see that in truss -p <pid>
I want to capture output and check that output if proces sis sleeping. Please suggest way to capture output of truss command or other way to check if process is sleeping (1 Reply)
Is there any way to trigger a sequence of commands in parallel and capture their output in variables? e.g. something on the following lines
x=`echo "X" &`
y=`echo "Y" &`
z=`echo "Z" &`
so that $x, $y, and $z evaluate to X, Y and Z res. (7 Replies)
Using ksh on AIX what I am trying to do is to read the ls -l output from a file in a do while loop line by line. Extract the user name(3rd field) and the directory/file name(9th field) using awk and save them into variables. su -c to the user and change directory/file permisions to 777. Script I... (13 Replies)
My issue :
I am getting only last command output data in ouput file. Though comamnd "print(output)" displays data for all 3rd column values but the data saved in file is not what required it hs to be the same which is being printed by command"print(output)".
Could you please help me to fix this,... (0 Replies)
Discussion started by: as7951
0 Replies
LEARN ABOUT DEBIAN
uvccapture
UVCCAPTURE(1) General Commands Manual UVCCAPTURE(1)NAME
uvccapture - USB UVC Video Class snapshot software
SYNOPSIS
uvccapture [options]
DESCRIPTION
This manual page documents briefly the uvccapture command.
The purpose of uvccapture is to capture an image from a USB webcam at a specified interval, and save it to a JPEG file, no other formats
are supported, imagemagick can handle anything else you might need.
OPTIONS
A summary of options is included below.
-h Show summary of options.
-v Verbose output.
-o<filename>
Output filename (default is snap.jpg)
-d<device>
V4L2 Device (default is /dev/video0)
-x<width>
Image Width (must be supported by device) (>960 activates YUYV capture)
-y<height>
Image Height (must be supported by device) (>720 activates YUYV capture)
-c<command>
Command to run after each image capture (executed as <command> <output_filename>)
-t<integer>
Take continuous shots with <integer> seconds between them (0 for single shot)
-q<percentage>
JPEG Quality Compression Level (activates YUYV capture)
-r Use read instead of mmap for image capture
-w Wait for capture command to finish before starting next capture
-m Toggles capture mode to YUYV capture
-B<integer>
Brightness
-C<integer>
Contrast
-S<integer>
Saturation
SEE ALSO
http://linux-uvc.berlios.de/
AUTHOR
uvccapture was written by Gabriel A. Devenyi <ace@staticwave.ca>. This software is based of the package luvcview by Laurent Pinchart and
Michel Xhaard.
This manual page was written by Krzysztof Burghardt <krzysztof@burghardt.pl>, for the Debian project (but may be used by others).
28th March, 2008 UVCCAPTURE(1)