holiday_protect.sh

evenings_ok=(
"Pesach I"
"Pesach VII"
"Shavuot I"
"Tish'a B'Av"
"Rosh Hashana II"
"Yom Kippur"
"Sukkot I"
"Shmini Atzeret"
)

no_emails=(
"Rosh Hashana"
)

for send_in_evening in "${evenings_ok[@]}"
do
        # echo "^[0-9/]+ ${send_in_evening}"
        if hebcal $(date +"%m %d %Y") | egrep -v "CH''M" | egrep "^[0-9/]+ ${send_in_evening}" >& /dev/null
        then
                if (( $(date +%"_H") < 20 ))
                then
                        exit 1
                fi
        fi
done

for holiday in "${no_emails[@]}"
do
        if hebcal $(date +"%m %d %Y") | egrep "^[0-9/]+ ${holiday}" >& /dev/null
        then
                exit 1
        fi
done