Hi all,
Does anybody know or guide me on how to remove the first N bytes and the last N bytes from a binary file? Is there any AWK or SED or any command that I can use to achieve this?
Your help is greatly appreciated!!
Best Regards,
Naveen. (1 Reply)
I am creating ASCII file from Oracle procedure into Unix box.
I undertstand there is NO CRLF as I am writing it into one complete string .. but need to know what is best way to format the file with 80bytes per line only before handing over to another program.
Thanks in advance
regards... (14 Replies)
While running script I am getting an error like
Few lines in data are not being processed.
After googling it I came to know that adding such line would give some memory to it
ini_set("memory_limit","64M");
my input file size is 1 GB.
Is that memory limit is based on RAM we have on... (1 Reply)
Hi,
If I want to copy a 1024 byte data stream in to the target location in 3-bytes chunk, I guess I can use the following script.
dd bs=1024 count=3 if=/src of=/dest
But, I would like to know, how to do it via a C program. I have tried this with memcpy(), that did not help. (3 Replies)
Hi All,
I'm working on creating a parts database. I currently have access to a manufacturer database in HTML and am working on moving all of the data into a MySQL db. I have created a sed script that strips out the HTML and unnecessary info and separates the script into one line for each field.... (3 Replies)
Guys,
I want to get the high CPU utilization from top.
I am using below code :
top -d2 >> /home/dba_monitoring/host_top_output.txt
echo "Script started `date`" > $runlog
usage=`grep "^ *$1" /home/dba_monitoring/host_top_output.txt | awk '{print $12}' | sed 's/%//'`
And getting below... (7 Replies)
Hello guys. I really hope someone will help me with this one..
So, I have to write this script who:
- creates a file home/student/vmdisk of 10 mb
- formats that file to ext3
- mounts that partition to /mnt/partition
- creates a file /mnt/partition/data. In this file, there will... (1 Reply)
hello,
suppose, entered input is of 1-40 bytes, i need it to be converted to 40 bytes exactly.
example: if i have entered my name anywhere between 1-40 i want it to be stored with 40 bytes exactly.
enter your name:
donald duck (this is of 11 bytes)
expected is as below - display 11... (3 Replies)
is there a better way to do this:
head -c 10000k /var/dump.log | head -c 6000k
unfortunately, the "-c" option is not available on sun solaris. so i'm looking at "dd". but i dont know how to use it to achieve the same exact goal as the above head command.
this needs to work on both solaris... (5 Replies)
Hi,
I need to collect IP address of all servers (more than 300). One way is put it in for loop and run nslookup for that servers list, but there are multiple fields in output.
(tty/dev/pts/13): bash: 1011 > nslookup vplssor04
Server: 10.58.115.34
Address: 10.58.115.34#53
Name: ... (7 Replies)
Discussion started by: solaris_1977
7 Replies
LEARN ABOUT MOJAVE
screencapture
SCREENCAPTURE(1) BSD General Commands Manual SCREENCAPTURE(1)NAME
screencapture -- capture images from the screen and save them to a file or the clipboard
SYNOPSIS
screencapture [-SWCTMPcimswxto] file
DESCRIPTION
The screencapture utility is not very well documented to date. A list of options follows.
-c Force screen capture to go to the clipboard.
-b Capture Touch Bar, only works in non-interactive modes.
-C Capture the cursor as well as the screen. Only allowed in non-interactive modes.
-d Display errors to the user graphically.
-i Capture screen interactively, by selection or window. The control key will cause the screen shot to go to the clipboard. The space
key will toggle between mouse selection and window selection modes. The escape key will cancel the interactive screen shot.
-m Only capture the main monitor, undefined if -i is set.
-D <display> Screen capture or record from the display specified. 1 is main, 2 secondary, etc
-o In window capture mode, do not capture the shadow of the window.
-p Screen capture will use the default settings for capture. The files argument will be ignored.
-M Open the taken picture in a new Mail message.
-P Open the taken picture in a Preview window or QuickTime Player if video.
-I Open the taken picture in Mesages.
-B <bundleid> Open in the app matching bundleid.
-s Only allow mouse selection mode.
-S In window capture mode, capture the screen instead of the window.
-J <style> Sets the starting style of interfactive capture "selection","window","video".
-t <format> Image format to create, default is png (other options include pdf, jpg, tiff and other formats).
-T <seconds> Take the picture after a delay of <seconds>, default is 5.
-w Only allow window selection mode.
-W Start interaction in window selection mode.
-x Do not play sounds.
-a Do not capture attached windows.
-r Do not add screen dpi meta data to captured file.
-l <windowid> Captures the window with windowid.
-R <rectangle> Capture rectangle using format x,y,width,height.
-v Capture video recording of the screen.
-V <seconds> Capture video recording of the screen for the specified seconds.
-A <id> Captures audio during a video recording using default input. Optionally pass id of the audio source.
-k Show clicks in video recordings.
-U Show interactive toolbar in interactive mode.
-u Present UI after screencapture is complete. Files passed to commandline will be ignored.
files where to save the screen capture, 1 file per screen
BUGS
Better documentation is needed for this utility.
SECURITY CONSIDERATIONS
To capture screen content while logged in via ssh, you must launch screencapture in the same mach bootstrap hierarchy as loginwindow:
PID=pid of loginwindow
sudo launchctl bsexec $PID screencapture [options]
HISTORY
A screencapture utility first appeared in Mac OS X v10.2.
Mac OS June 16, 2004 Mac OS
08-31-2009
Capture first N Bytes from first line in a file
