(1) Replace "print `blahblah`" with "blahblah", the backtick (`) is really only useful for storing outputs in variables and using them embedded in other commandlines, if you just want to print the result direct to the screen and nothing else, you don't need them.
eg
(2) You could use killall to do what you want here but I dislike it as it can do horribly wrong on you if you are not careful.
Note that if the user puts something silly (like "a" for example) in the THINGIWANTOSEARCHFOR variable, many many many pids can end up in the resultant list.
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)
HPUX 11.0.X / Korn Shell
Hope this makes sense.
I have a little function to place things on the screen using the column and row parameters. Question is, how can I be sure of where the current cursor postion is so that if I print something to the upper right hand corner of the screen, I can... (2 Replies)
Hi
There is a program running which displays output on the screen
I have to grep a particular string from that screen how do i do this
My problem is i'm running this program from a script which executes after every fifteen mins but sometimes it's happen that there is an error in the program... (4 Replies)
I'm using Fedora3 and Screen
when i do that, Scree dont load my Bash profile
so my MC, centericq and swedish keyboard is mesed up..
how can i use screen and my bash_profile?
or is there another way to fix it? (0 Replies)
Hi Guys,
I'm using a double screen machine with linux Red Hat. The problem is that I see the same image in both screens...
Can anybody tell me how to solve this problem?
Thanks a lot,
Pablo. (0 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,
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)
I am using Intel HD 400 Graphics on a laptop.
When I logout, I get a black screen with no cursor or anything. I have to hard reboot the system to get into linux again.
Working on RHEL 6 (gnome) (1 Reply)
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)
Discussion started by: phpchick
2 Replies
LEARN ABOUT V7
pidof
PIDOF(8) Linux System Administrator's Manual PIDOF(8)NAME
pidof -- find the process ID of a running program.
SYNOPSIS
pidof [-s] [-c] [-n] [-x] [-o omitpid[,omitpid..]] [-o omitpid[,omitpid..]..] program [program..]
DESCRIPTION
Pidof finds the process id's (pids) of the named programs. It prints those id's on the standard output. This program is on some systems
used in run-level change scripts, especially when the system has a System-V like rc structure. In that case these scripts are located in
/etc/rc?.d, where ? is the runlevel. If the system has a start-stop-daemon (8) program that should be used instead.
OPTIONS -s Single shot - this instructs the program to only return one pid.
-c Only return process ids that are running with the same root directory. This option is ignored for non-root users, as they will be
unable to check the current root directory of processes they do not own.
-n Avoid stat(2) system function call on all binaries which are located on network based file systems like NFS. Instead of using this
option the the variable PIDOF_NETFS may be set and exported.
-x Scripts too - this causes the program to also return process id's of shells running the named scripts.
-o omitpid
Tells pidof to omit processes with that process id. The special pid %PPID can be used to name the parent process of the pidof pro-
gram, in other words the calling shell or shell script.
EXIT STATUS
0 At least one program was found with the requested name.
1 No program was found with the requested name.
NOTES
pidof is actually the same program as killall5; the program behaves according to the name under which it is called.
When pidof is invoked with a full pathname to the program it should find the pid of, it is reasonably safe. Otherwise it is possible that
it returns pids of running programs that happen to have the same name as the program you're after but are actually other programs. Note
that that the executable name of running processes is calculated with readlink(2), so symbolic links to executables will also match.
SEE ALSO shutdown(8), init(8), halt(8), reboot(8), killall5(8)AUTHOR
Miquel van Smoorenburg, miquels@cistron.nl
01 Sep 1998 PIDOF(8)