UNIX for Dummies Questions & Answers

Hello All,

Hopw all is fine. I am newbie to Unix. I am using Bourne Shell (sh). One of the question I have is that I am trying to read XML file and based on reading that XML file I want to run different java programs at different hours. Meaning

05 14 * * * java ./program1
10 14 * * * java ./program2
15 14 * * * java ./program3
20 14 * * * java ./program4

When I try to out above code in crontab -e ....then it does not run as expected but if just put one line ( for e.g. 05 14 * * * java ./program1) then it does run.

I am sure I am missing something basic. Will appreciate your feedback on this.

Thanking you ,
Sam

Few points:
1.Put the abs path of the script
2.Source the .profile in the cron job entry before execution of script(REquired only if the script using the environment variables)

Hello Jacob,

Thanks for your reply. I am probably missing it ... but how do I schedule multiple jobs ( at different timings ) in one crontab file ? When I try to do above it just performs the last task ( last line... in here -- 20 14 * * * java ./program4). How can I execute all of the jobs in one crontab file?

Thanks again,
Sam

basicly it should work as you did it in you example. if not there must be another error.
try:
05 14 * * * /bin/date >> /tmp/crontest
06 14 * * * /bin/date >> /tmp/crontest
07 14 * * * /bin/date >> /tmp/crontest
08 14 * * * /bin/date >> /tmp/crontest