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Shell Programming and Scripting
Help with time comparison shell script for HP-UX
Post 86011 by gummysweets on Monday 10th of October 2005 06:08:10 AM
10-10-2005
Help with time comparison shell script for HP-UX
I am using Korne Shell in HP-Ux. Can someone give me and idea on how I can write a shellscript on how to do this please:-
On our HP-UX server, a batch file is run every evening at about 6:30pm. The first step of this batch file will touch an empty "flag" file to indicate that the batch has already started running. This flag is removed at the end of the evening batch file. So bascially, as long as this flag exists, the batch file is not allowed to be run by another operator. The problem is I need to built in some testing that if the batch file has already been run once within the 24 hours cycle, it mustn't be run again.
I thought about setting a timestamp into the "flag" file I create at the beginning of the batch run and call it "BatchRunning". Then rename this flag file and call it "batchRan" so it will be served as sort of time marker for comparison later. So if the batch file is re-run then a comparison can be made between the two files "BatchRunning" and "batchRan". If "BatchRunning" is less than "batchRan" by 24 hours then abort the batch file immedately and display a message to the operator.
So that's the theory, how do I script this in Korne Shell please??
Please help me ... as I have tried to search the forum for clues .... and I am really stuck now..
In my search, on time comparison, it picked up the "datecalc" script but I am not sure if it can be applied to my problem ( it looks far too complicated).
Many thanks in advance,
On our HP-UX server, a batch file is run every evening at about 6:30pm. The first step of this batch file will touch an empty "flag" file to indicate that the batch has already started running. This flag is removed at the end of the evening batch file. So bascially, as long as this flag exists, the batch file is not allowed to be run by another operator. The problem is I need to built in some testing that if the batch file has already been run once within the 24 hours cycle, it mustn't be run again.
I thought about setting a timestamp into the "flag" file I create at the beginning of the batch run and call it "BatchRunning". Then rename this flag file and call it "batchRan" so it will be served as sort of time marker for comparison later. So if the batch file is re-run then a comparison can be made between the two files "BatchRunning" and "batchRan". If "BatchRunning" is less than "batchRan" by 24 hours then abort the batch file immedately and display a message to the operator.
So that's the theory, how do I script this in Korne Shell please??
Please help me ... as I have tried to search the forum for clues .... and I am really stuck now..
In my search, on time comparison, it picked up the "datecalc" script but I am not sure if it can be applied to my problem ( it looks far too complicated).Many thanks in advance,
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LEARN ABOUT DEBIAN
ecaccess-queue-list
ECACCESS-QUEUE-LIST(1p) User Contributed Perl Documentation ECACCESS-QUEUE-LIST(1p) NAME
ecaccess-queue-list - List available queues SYNOPSIS
ecaccess-queue-list -version|-help|-manual ecaccess-queue-list [-debug] [queue-name] DESCRIPTION
Two different types of queues are in use with ECaccess: 1 - The ECaccess batch queues, which correspond to one system at ECMWF with its specific batch environment, e.g. ecgate will be the ECaccess queue, which will redirect jobs to ecgate at ECMWF, running LoadLeveler. This ECaccess queue will be given as argument when submitting a batch job. 2 - The batch queues (or classes) on the systems at ECMWF will be given in the batch job with #@ class = for LoadLeveler. The names of the ECaccess queues and associated batch queues at ECMWF can be seen with this command. When an ECaccess queue-name is specified then the details for this queue are displayed (including the list of classes). The first ECaccess batch queue in the list is the default queue when submitting a batch job with the ecaccess-job-submit command. ARGUMENTS
queue-name (optional) The name of the ECaccess queue to retrieve the details. OPTIONS
-version Display version number and exits. -help Print a brief help message and exits. -manual Prints the manual page and exits. -debug Display the SOAP messages exchanged. EXAMPLES
ecaccess-queue-list List all the ECaccess batch queues (or systems supporting job submission at ECMWF). ecaccess-queue-list ecgate List all the batch queues (or classes) on the ECMWF system ecgate. SEE ALSO
ecaccess. perl v5.14.2 2012-04-16 ECACCESS-QUEUE-LIST(1p)