Retention of Variable Value when a script is called by different processes in parallel- Linux 2.6.9
Hi,
I have a generic FTP script which will be called by 28 different processes in parallel (through a GUI tool) may or may not be at the exact moment (there could be a delay of about a minute or so).
Code:
./FTP.ksh 1 (1 through 28)
This script after importing file from remote m/c inserts a record for that particular file in an Oracle table (see Fig 2). The "ID" column takes value from 1 ... 28. Column "SEQ" takes value from Oracle Sequence generator (so its unique). Column "TABLE_RECORD_COUNT" is inserted with '0'."Column "FILE_STATUS_FLAG" will have default value of 'A' (arrived) while inserting.
At the end of the process (which loads data from the file to a table) again a Unix script will be called which will update the record inserted by the FTP script.
Now the updating script some how should know which record to update? And then it will update the table with values as below:
The script has updated column "FILE_STATUS_FLAG" to 'P' (processed) and column "TABLE_RECORD_COUNT" by executing "SELECT COUNT(1) FROM TABLE". Now I wonder if there's a way of remebering SEQ value till one process gets complete. Even if another process has kicked off the FTP script. Please suggest.
The loading script, which calls the updating script, should "communicate" the value of the sequence, after inserting the value with sequence_name.nextval,
it should save/memorize this value (calling sequence_name.currval) and pass it to the updating process.
Hello all,
I tried to parralise my treatments but after a while 'ps -ef' display all child process <defunct> (zombie)
Parent bash script to process all files (>100000) in directory:
for filename in /Data/*.txt; do
./child_pprocess.sh $filename &
done
exit(0)I understand that the... (1 Reply)
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Replace all the path with reading config path line by line and pass in respective functions.
how can i achieve that?
Kindly guide.
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Hi all,
Warm regards!
I am in a difficult situation here. I have been trying to create a shell script which calls another shell script inside. Here is a simplified version of the same.
Calling Script.
#!/bin/ksh
# want to run as a different process... (6 Replies)
Hi,
I am calling a Perl script in my shell script. When Perl script is executed it asks for a answer to be entered by user from terminal. How can i pass that value from my shell script ??
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Hi guys,
I am struggling with adapting my script to increase the performance.
I created a ksh script to process a lot of files in parallel.
I would like to know how can I do in such a way that a constant number of processes is always up (until all is finished).
What I have is (not actual... (8 Replies)
Hi,
I have a shell script that creates 2 parallel processes. When I press ctrl+c, i want the parallel process to get killed as well.
#!/bin/bash
cmd1="script1.py"
cmd2="script2.py"
${cmd1} &
pid1=$!
echo ${pid1}
${cmd2} &
pid2=$! (7 Replies)
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Please help me on below..
https://www.unix.com/shell-programming-scripting/141533-retrieve-value-environment-variable-shell-script-called-crontab.html#post302442024
I'm still here. I can still see you! (0 Replies)
There are two files one is shell script (sample.sh) and another is configuration file (sampl_conf.cfg)
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if I call them as
p1.ksh
p2.ksh
p3.ksh
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