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countmail
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countmail
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#!/bin/sh
# Copyright (c) 1994, 1996 Charles Hannum. All rights reserved.
# Count the messages in your mailbox, using only POSIX shell builtins.
#
# Caveats:
#
# The read loop is horrendously slow on every implementation I've
# tried. I suggest using from(1) and wc(1) instead, though these are
# not shell builtins.
# for krb.
#set -- `from -t`
#v=$3
set -- `from | wc -l`
v=$1
#v=`from | wc -l`
#v=0
#exec 0</var/mail/$USER
#while read line; do
# case "$line" in
# "From "*) v=$(($v + 1)) ;;
# esac
#done
#exec 0<&-
result=
g=0
while :; do
case $v in
0 | '') break ;;
?) v=00$v ;;
??) v=0$v ;;
esac
case $v in
*000) ;;
*)
case $g in
0) ;;
1) val=THOUSAND ;;
2) val=MILLION ;;
3) val=BILLION ;;
4) val=TRILLION ;;
5) val=QUADRILLION ;;
6) val=QUINTILLION ;;
7) val=SEXTILLION ;;
8) val=SEPTILLION ;;
*)
echo "YOU HAVE TOO MUCH MAIL!" 1>&2
exit 1
;;
esac
case $g in
0) ;;
*) result="$val $result" ;;
esac
;;
esac
g=$(($g + 1))
case $v in
*?10) val=TEN ;;
*?11) val=ELEVEN ;;
*?12) val=TWELVE ;;
*?13) val=THIRTEEN ;;
*?14) val=FOURTEEN ;;
*?15) val=FIFTEEN ;;
*?16) val=SIXTEEN ;;
*?17) val=SEVENTEEN ;;
*?18) val=EIGHTEEN ;;
*?19) val=NINETEEN ;;
*)
case $v in
*?2?) val=TWENTY ;;
*?3?) val=THIRTY ;;
*?4?) val=FOURTY ;;
*?5?) val=FIFTY ;;
*?6?) val=SIXTY ;;
*?7?) val=SEVENTY ;;
*?8?) val=EIGHTY ;;
*?9?) val=NINETY ;;
*) val= ;;
esac
case $v in
*?0? | *??0) ;;
*) val=${val}- ;;
esac
case $v in
*??1) val=${val}ONE ;;
*??2) val=${val}TWO ;;
*??3) val=${val}THREE ;;
*??4) val=${val}FOUR ;;
*??5) val=${val}FIVE ;;
*??6) val=${val}SIX ;;
*??7) val=${val}SEVEN ;;
*??8) val=${val}EIGHT ;;
*??9) val=${val}NINE ;;
esac
;;
esac
case $v in
*?00) ;;
*) result="$val $result" ;;
esac
case $v in
*1??) val=ONE ;;
*2??) val=TWO ;;
*3??) val=THREE ;;
*4??) val=FOUR ;;
*5??) val=FIVE ;;
*6??) val=SIX ;;
*7??) val=SEVEN ;;
*8??) val=EIGHT ;;
*9??) val=NINE ;;
esac
case $v in
*0??) ;;
*) result="$val HUNDRED $result" ;;
esac
v=${v%%???}
done
plural=S
case "$result" in
"") result=ZERO ;;
"ONE ") plural= ;;
esac
set -- $result
echo "$*!
$* NEW MAIL MESSAGE$plural!
HAHAHAHAHA!"