Linux | bash | script | i am running self test

Linux: # FLOCK STUFF PIDFILE=/var/run/$(basename $0) exec 100>$PIDFILE flock -n 100 || exit 1 echo $ > $PIDFILE # … your code … test -r $PIDFILE && rm -f $PIDFILE FreeBSD: Install flock Other BSD: THATSME=”$(ps wwaux | grep -w $ | grep -v grep | awk ‘{$1=$2=$3=$4=$5=$6=$7=$8=$9=$10=””;print $0}’ | sed ‘s|^\s*||’)” && ps wwaux […]

shell | script self run check

LINUX: MYARGS=”$(ps -wwo args= $$)”; ps wwaux | grep -v grep | grep “$MYARGS” | grep -vwe “$$” -vwe “$PPID” && exit LINUX && OPENBSD: MYARGS=”$(ps -wwo args= -p $$)”; MYSESS=”$(ps -wwo sess= -p $$)”; ps -wwo sess,args= | grep -v grep | grep “$MYARGS” | grep -vw $MYSESS > /dev/null 2>&1 && exit