quick cronshell

cronshell.sh

#!/bin/bash
CRONLOG=/var/log/cron.log
RID=$(cat /dev/urandom | tr -dc "[:alpha:]" | head -c 8)
CMD=$@
START=$(date +%s)
echo "---- CRON --- START at $(date) --------" | ts | sed "s/^/[${RID}] /" >> ${CRONLOG}
echo "-- CMD: $@ ----" | ts | sed "s/^/[${RID}] /" >> ${CRONLOG}
/bin/bash -c "$@" > >( sed 's/^//')  2> >( sed 's/^/ [ERR]: /'  ) | ts | sed "s/^/[${RID}] /" >> ${CRONLOG}
RETURN=$?
END=$(date +%s)
ELAPSED=$(( $END - $START ))
echo "-- CMD: $@ - EXITSTATUS:${RETURN}---" | ts | sed "s/^/[${RID}] /" >> ${CRONLOG}
echo "---- CRON --- END at $(date) (${ELAPSED} s elapsed)--------" | ts | sed "s/^/[${RID}] /" >> ${CRONLOG}

# use in cron as /path/to/cronshell 'bash one line of commands between single quotes, may contain semicolons'
# YMMV