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バックグランドで実行しているシェルを親シェルからkillする

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$ more dummy.sh get-pid-of-background-process-and-kill.sh :::::::::::::: dummy.sh :::::::::::::: #!/bin/sh for i in `seq 1 1024`; do date -R sleep 3 done :::::::::::::: get-pid-of-background-process-and-kill.sh :::::::::::::: #!/bin/sh PID_DIR=./var/run mkdir -p ${PID_DIR} 2> /dev/null PID_FILE=${PID_DIR}/dummy.id # # Invoke a background process # (i.e. ssh tunneling process that needs to keep on running while specific procudures are executed via it ... or else # ./dummy.sh & echo $! > ${PID_FILE} echo "PID:`cat ${PID_FILE}` is running as a background process..." # # Do something as needed # sleep 10 # # Kill the backgound process after the above procedure # kill `cat ${PID_FILE}` # # Cleanup # if [ $? = 0 ] ; then rm -f ${PID_FILE} echo "${PID_FILE} has been removed." fi $ ./get-pid-of-background-process-and-kill.sh PID:1197 is running as a background process... Wed, 19 Jan 2022 17:01:55 +0900 Wed, 19 Jan 2022 17:01:58 +0900 Wed, 19 Jan 2022 17:02:02 +0900 Wed, 19 Jan 2022 17:02:05 +0900 ./get-pid-of-background-process-and-kill.sh: line 30: 1197 Terminated ./dummy.sh ./var/run/dummy.id has been removed.

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