getps.sh

#!/bin/bash
getps() {
  /usr/bin/ionice -c 3 /usr/bin/nice -n 19 /bin/bash -c '{
    TODAYLOG="$HOME/getps_$(/bin/date +%Y%m%d).log"
    YESTERDAYLOG="$HOME/getps_$(/bin/date -d yesterday +%Y%m%d).log"
    {
      /bin/echo "==> delimiter <==";
      /bin/date -Is;
      /bin/ps auxfewww;
      /bin/echo;
    } >>"${TODAYLOG}" 2>&1;
    if [ -f "${YESTERDAYLOG}" ] && [ -r "${YESTERDAYLOG}" ]; then gzip "${YESTERDAYLOG}"; fi;
  }'
}
getps