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How can I parse a record found in /etc/passwd into variables?

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Top Forums Shell Programming and Scripting How can I parse a record found in /etc/passwd into variables?
# 8  
Old 12-17-2007
Quote:
Originally Posted by prowla
This should work:

Code:
grep "^oracle:" /etc/passwd | read s
USER=`echo $s | cut -d: -f1`
LOGNAME=$USER
HOME=`echo $s | cut -d: -f6`

That will only work in ksh. But if that works, so would:
grep "^oracle:" /etc/passwd | IFS=":" read user xpass uid gid gcos home shell
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LEARN ABOUT CENTOS

tapset::scheduler

tapset::scheduler(3stap)												  tapset::scheduler(3stap)

NAME

       tapset::scheduler - systemtap scheduler tapset

DESCRIPTION

       scheduler.cpu_off
	      Process is about to stop running on a cpu

	       See probe::scheduler.cpu_off(3stap)
	       for details.

       scheduler.cpu_on
	      Process is beginning execution on a cpu

	       See probe::scheduler.cpu_on(3stap)
	       for details.

       scheduler.tick
	      Schedulers internal tick, a processes timeslice accounting is updated

	       See probe::scheduler.tick(3stap)
	       for details.

       scheduler.balance
	      A cpu attempting to find more work.

	       See probe::scheduler.balance(3stap)
	       for details.

       scheduler.ctxswitch
	      A context switch is occuring.

	       See probe::scheduler.ctxswitch(3stap)
	       for details.

       scheduler.kthread_stop
	      A thread created by kthread_create is being stopped

	       See probe::scheduler.kthread_stop(3stap)
	       for details.

       scheduler.kthread_stop.return
	      A kthread is stopped and gets the return value

	       See probe::scheduler.kthread_stop.return(3stap)
	       for details.

       scheduler.wait_task
	      Waiting on a task to unschedule (become inactive)

	       See probe::scheduler.wait_task(3stap)
	       for details.

       scheduler.wakeup
	      Task is woken up

	       See probe::scheduler.wakeup(3stap)
	       for details.

       scheduler.wakeup_new
	      Newly created task is woken up for the first time

	       See probe::scheduler.wakeup_new(3stap)
	       for details.

       scheduler.migrate
	      Task migrating across cpus

	       See probe::scheduler.migrate(3stap)
	       for details.

       scheduler.process_free
	      Scheduler freeing a data structure for a process

	       See probe::scheduler.process_free(3stap)
	       for details.

       scheduler.process_exit
	      Process exiting

	       See probe::scheduler.process_exit(3stap)
	       for details.

       scheduler.process_wait
	      Scheduler starting to wait on a process

	       See probe::scheduler.process_wait(3stap)
	       for details.

       scheduler.process_fork
	      Process forked

	       See probe::scheduler.process_fork(3stap)
	       for details.

       scheduler.signal_send
	      Sending a signal

	       See probe::scheduler.signal_send(3stap)
	       for details.

SEE ALSO

	 probe::scheduler.cpu_off(3stap),    probe::scheduler.cpu_on(3stap),	probe::scheduler.tick(3stap),	 probe::scheduler.balance(3stap),
       probe::scheduler.ctxswitch(3stap),	  probe::scheduler.kthread_stop(3stap), 	 probe::scheduler.kthread_stop.return(3stap),
       probe::scheduler.wait_task(3stap),  probe::scheduler.wakeup(3stap),  probe::scheduler.wakeup_new(3stap),  probe::scheduler.migrate(3stap),
       probe::scheduler.process_free(3stap),	      probe::scheduler.process_exit(3stap),	       probe::scheduler.process_wait(3stap),
       probe::scheduler.process_fork(3stap),  probe::scheduler.signal_send(3stap),  stap(1), stapprobes(3stap)

IBM
									---						  tapset::scheduler(3stap)

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