basic lesson

if [ -e abc.log ]; then

    echo “abc.log exist”

fi

-e check exist

-d check directory exist

sendmail and mailx

cat ${OUT_FILE} | /usr/sbin/sendmail -f “${FRM_MAIL}” ${TO_MAIL}

FRM_MAIL=sender

TO_MAIL=recipient

OUT_FILE=content    <– subject is inside the content eg. “Subject: Testing”

/usr/bin/mailx -r ${FRM_MAIL} -s “${MSG}” ${TO_MAIL} < ${OUT_FILE}

FRM_MAIL=sender

TO_MAIL=recipient

MSG=subject

OUTFILE_=content