send daily report

send_daily_report.sh

#!/bin/sh

####################
# Configs
#####
VAR_NAME='First Last'
VAR_ADDR='[email protected]'

# cc to me ? yes/no
VAR_CC_ME='yes'

# send to me instead of boss for debug? yes/no
VAR_DEBUG='no'

VAR_BOSS_NAME='Boss Name'
VAR_BOSS_ADDR='[email protected]'

if [ -n "$VAR_DEBUG" ] && [ "$VAR_DEBUG" = 'yes' ]; then
    VAR_BOSS_NAME="$VAR_NAME"
    VAR_BOSS_ADDR="$VAR_ADDR"
fi

####################
# App start
#####
usage () {
    echo "$0 file"
    echo 'or'
    echo "cat file | $0"
}

if [ -n "$1" ] && [ "$1" != '-' ]; then
    if [ "$1" = '-h' ] || [ "$1" = '--help' ]; then
        usage
        exit
    fi
    if ! [ -f "$1" ]; then
        echo "cannot find file $1" 1>&2
        exit 1
    fi
    exec <"$1"
fi

VAR_BODY="`cat`"
if [ "$VAR_BODY" = "" ]; then
    echo 'no message!' 1>&2
    exit 1
fi

VAR_HEADER="Subject: Daily Report - `date +'%Y.%m.%d'` - $VAR_NAME
From: \"$VAR_NAME\" <$VAR_ADDR>
To: \"$VAR_BOSS_NAME\" <$VAR_BOSS_ADDR>"

VAR_CC_ME_MAYBE=
if [ -n "$VAR_CC_ME" ] && [ "$VAR_CC_ME" = 'yes' ]; then
    VAR_HEADER="$VAR_HEADER
CC: \"$VAR_NAME\" <$VAR_ADDR>"
    VAR_CC_ME_MAYBE="$VAR_ADDR"
fi

echo "$VAR_HEADER

Dear $VAR_BOSS_NAME,


$VAR_BODY


------------------------------
Sincerely, $VAR_NAME
.
" | sendmail "$VAR_BOSS_ADDR" "$VAR_CC_ME_MAYBE"