10-12-2010
Sleep is quite capable of sleeping for large amounts of time (ie 1 hour and beyond), but it may not support specifying the time to sleep as a number of hours on the command line.
This depends on your OS and shell (sleep is a shell function in ksh93 which accepts a decimal number of seconds e.g. sleep 0.25).
Type `man sleep' for details on your system,
most linux flavours have GNU sleep which supports a SUFFIX of `s' for seconds (the default), `m' for minutes, `h' for hours and `d' for days.
You can always multiply the number of hours by 3600 to get seconds if you version of sleep dosn't support the h SUFFIX.
Last edited by Chubler_XL; 10-12-2010 at 12:47 AM..
Reason: Fix typos
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I am running a number of processes through a kill -15 loop as a temporary fix to some viscious memory leaks. I cannot pass the entire list of processes through the kill at once, because the nature of the monitoring my client has will cause the software to failover.
Because of the large number of... (1 Reply)
Discussion started by: mattd
1 Replies
2. UNIX for Dummies Questions & Answers
If I give sleep(50) what does it mean?
My program waits for further execution or all my other processes wait? (3 Replies)
Discussion started by: leewar
3 Replies
3. Shell Programming and Scripting
I am in need of some help; think I have confused myself.
Here is the issue I am faced with.
The script log file was fine, the nohup.out file has tens of thousands of lines like illegal use of sleep: sleep seconds
So I assume there is something with the seconds calculation in the script... (1 Reply)
Discussion started by: Glove
1 Replies
4. UNIX for Dummies Questions & Answers
Hi All I have a requiremnt to run a script inside another script.
here i am pulling the record count from the table in oracle.If record count is greater than 0 the script is executed.The scripts updates the count in the table and again the count is found out and the condition is checked and same... (3 Replies)
Discussion started by: dr46014
3 Replies
5. UNIX for Dummies Questions & Answers
sleep 10 &
Is this the write line of command to suspend 5 jobs for 10 minutes (6 Replies)
Discussion started by: senyor17
6 Replies
6. UNIX for Dummies Questions & Answers
Hi Forum
Im using sleep in a while loop goes around 10 times. i feed it a variable with the time i what it to sleep for eg sleep $sleepVal and then print system date and time to screen but sometimes 1 second is added to the time why is this
here my code
sleepVal=5
while
do
... (3 Replies)
Discussion started by: ShinTec
3 Replies
7. Shell Programming and Scripting
Hi All,
i am very new to shall script . i am not that much aware of sleep command ,
i want to terminate the sleep command after certain time.
following is my code.
while
loop
sleep 1800
messag=/status.sql
donethe script will be on sleep untill the messag be comes P. here my requirement... (4 Replies)
Discussion started by: mandlysreedhar
4 Replies
8. Shell Programming and Scripting
Hello,
Need a little help with the script below. I can't get it to sleep :( I'm trying to get this to check if the process is running and if it is, wait 10 secs and check again. Keep doing this until it's not running and then stop checking and send the email.
#!/bin/ksh
mailto=`cat... (2 Replies)
Discussion started by: bbbngowc
2 Replies
9. Shell Programming and Scripting
Hi Frnz,
I need to execute sleep command but i dont know the definite time.
Let me put my req:
I am running one shell script and this script creates some lock file in temp dir ...now in my script i want one function to go into sleep mode till this lock file exists..one lock file gone that... (6 Replies)
Discussion started by: gnnsprapa
6 Replies
10. Shell Programming and Scripting
I need help in script.
I want my one script execute every time at 6:30 am and i have no cron access.
So i am putting sleep command there , Script may took half an hour 35 min , it depend upon queries how much it take time, but that is not issue,
So i want according to stop time of... (15 Replies)
Discussion started by: pallvi_mahajan
15 Replies
LEARN ABOUT OPENSOLARIS
sleep
sleep(1) User Commands sleep(1)
NAME
sleep - suspend execution for an interval
SYNOPSIS
/usr/bin/sleep
/usr/bin/sleep time
ksh93
sleep time
DESCRIPTION
/usr/bin/sleep
sleep suspends execution for at least the integral number of seconds specified by time.
ksh93
sleep suspends execution for at least the time in seconds specified by time or until a SIGALRM signal is received.
OPERANDS
/usr/bin/sleep
The following operands are supported for /usr/bin/sleep:
time time in seconds can be specified as a non-negative decimal integer number.
ksh93
The following operands are supported:
time Specify time in seconds as a floating point number. The actual granularity depends on the underlying system, normally around 1 mil-
lisecond.
EXAMPLES
Example 1 Suspending Command Execution
The following example executes a command after a certain amount of time:
example% (sleep 105; command)&
Example 2 Executing a Command Every So Often
The following example executes a command every so often:
example% while true
do
command
sleep 37
done
ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of sleep: LANG, LC_ALL, LC_CTYPE, LC_MES-
SAGES, and NLSPATH.
EXIT STATUS
The following exit values are returned:
0 The execution was successfully suspended for at least time seconds, or a SIGALRM signal was received (see NOTES).
>0 An error has occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
/usr/bin/sleep
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
|Standard |See standards(5). |
+-----------------------------+-----------------------------+
ksh93
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |Uncommitted |
+-----------------------------+-----------------------------+
SEE ALSO
ksh93(1), wait(1), alarm(2), sleep(3C), wait(3UCB), attributes(5), environ(5), standards(5)
NOTES
If the sleep utility receives a SIGALRM signal, one of the following actions is taken:
o Terminate normally with a zero exit status.
o Effectively ignore the signal.
The sleep utility takes the standard action for all other signals.
SunOS 5.11 20 Nov 2007 sleep(1)