Visit Our UNIX and Linux User Community

Crontab - how to make time range?

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Crontab - how to make time range?
# 1  
Old 11-09-2009
CPU & Memory Crontab - how to make time range?

im puting script in crontab, script is executing every 15min, every day, every monath

but i must make time range from 0:00 - 20:00 <> 20:30 - 0:00
or if i cant make 20:30 then 0:00 - 20:00 <> 21:00- 0:00

can i make it in single line like this?

7,22,37,52 0-23 * * *  >/dev/null 2>&1

# 2  
Old 11-09-2009
I do not get what you want. Instead of showing us your crontab entry, please explain what you want. As A general guess - you cannot do what you want in one line,
# 3  
Old 11-09-2009
Most versions of cron/crontab support lists. Have you tried something like
7,22,37,52 0-19,21-23 * * *  >/dev/null 2>&1

# 4  
Old 11-09-2009
Originally Posted by fpmurphy
Most versions of cron/crontab support lists. Have you tried something like
7,22,37,52 0-19,21-23 * * *  >/dev/null 2>&1

thanks for advice, i will try it Smilie

Previous Thread | Next Thread
Test Your Knowledge in Computers #882
Difficulty: Easy
In October 2013 National Geographic released a file titled American Blackout which dealt with an imagined large-scale cyber attack on SCADA and the US electrical grid.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Need Time Stamp Range On Log Files

I have created this script #!/bin/sh FILES=/data/log/access_*.log for f in $FILES do echo "Processing $f file" cat $f | awk '{print $1}' | sort | uniq -c | sort -n | tail done It produces this output Processing /data/log/access_abc.log file 114 167 ... (38 Replies)
Discussion started by: sharingsunshine
38 Replies

2. Shell Programming and Scripting

awk - check time stamp between range or not

I want to check given time stamp is between the given time stamp or not. I am using AIX. YYYYMMDDHHMMSS abc.csv START TIME, END TIME 20130209018000,20130509022000 20120209018000,20130509022000 20120209018000,20130509022000 Script will check given time stamp is between above two range or... (2 Replies)
Discussion started by: vegasluxor
2 Replies

3. Shell Programming and Scripting

run script in time and date range

i need to run one script inside of other, and there is some terms - main script in scheduled in cron for everyday runing every 5min - i need to run /tmp/ after first 3 days in month - i need to run /tmp/ from 7-9AM, main script is runining all day all recommendations are... (1 Reply)
Discussion started by: waso
1 Replies

4. Shell Programming and Scripting

Make entries in crontab file

I have created a shell script "" and script should run after every 10 min., For that I will create below entry in the crontab file by using command crontab -e */10 * * * * /cdr/work/proc_raw/ >> /dev/null 2>&1 I wish to know whether above entry is correct or I have to make entry... (2 Replies)
Discussion started by: Devesh5683
2 Replies

5. UNIX Desktop Questions & Answers

grep a range of time & date

how can i grep a range? i have a text file with the following text: result.log.00:2012/01/02 12:00:07.422 LOG STARTED HERE N6Kashya29MemoryShieldScheduler_AO_IMPLE, pid=8662/8658, config=(alertThreshold=10,alertLevel=0,killThreshold=7200,coreThreshold=0,full=1), deltaTime=0,... (1 Reply)
Discussion started by: boaz733
1 Replies

6. Shell Programming and Scripting

grep - date & time range

Hi, I need to search email files by date & time range in email files. The timezone is not important. Can someone plz advise how i can do this ? For e.g A user can specify only A single date A date range date & time range Below is part of the email file. (4 Replies)
Discussion started by: coolatt
4 Replies

7. Shell Programming and Scripting

time stamp perl script error out of range 1..31

Hi, while running the perl script i am getting this error message , Day '' out of range 1..31 at line 44 what do iam missing in the script, any suggestion #!/usr/bin/perl use Time::Local; my $wday = $ARGV; my $month = $ARGV; # convert the month shortname into 0-11 number if... (4 Replies)
Discussion started by: saha
4 Replies

8. Solaris

problem to make a crontab -l

Hello everyone, this is the first i write in the forum, hope i can help , but now i have a problem There must be something wrong in my machine. I installed ( years ago ) an application (NEP) and when I try to show the backup scheduled in crontab the systems says i have no privilegies to do... (4 Replies)
Discussion started by: javierg
4 Replies

9. Shell Programming and Scripting

to get list of files of a perticular range of time

hi, how to list the files which has been created or accessed before 6 months thanks (1 Reply)
Discussion started by: useless79
1 Replies

10. Shell Programming and Scripting

Start time/end time and status of crontab job

Is there anyway to get the start time and end time / status of a crontab job which was just completed? Of course, we know the start time of the crontab job since we are scheduling. But I would like to know process start and time recorded somewhere or can be fetched from a command like 'ps'. ... (3 Replies)
Discussion started by: thambi
3 Replies

Featured Tech Videos