PROGRAM FOR  USAGE OF DATE AND TIME

n=`date +%H`

i=`date +%T`

echo $i

if test $n -lt 12

then

echo good morning

elif test $n -gt 12 -a $n -lt 16

then

echo good afternoon

elif test $n -gt 16 -a $n -lt 18

then

echo good evening

else

echo good night

fi

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OUTPUT

"wishdate" 15L, 214C written

[staff@linuxserver staff]$ sh wishdate

10:03:19

good morning

[staff@linuxserver staff]$