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I am trying to write a simple Korn shell script to execute a loading process. The process occasionally runs into connectivity issues, so I need to kill it if it runs too long.

I have been trying the following code:

#!/usr/bin/ksh 
. /home/dw/script/load.ksh &
LOADPID=$!
sleep 100
kill $LOADPID

Unfortunately, the kill command does not kill the process - am I missing something?

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Try kill -s HUP "$LOADPID". And if it still doesn't work, you could try kill -s KILL "$LOADPID".

Also note that it doesn't make sense to run the . command in background (that is in another process) as the whole point of the . command is to interpret the code in the given file in the current shell process.

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    Running . /some/script & does have a few uses: the script is executed by the same interpreter, and inherits shell parameters, functions, etc. However none of this is happening in this specific example.
    – Gilles 'SO- stop being evil'
    Nov 2, 2012 at 22:59

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