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UNIX for Dummies Questions & Answers
usage of brackets for if
Post 302081683 by lakshmikanth on Thursday 27th of July 2006 04:26:20 AM
07-27-2006
usage of brackets for if
Hi,
I would like to know about the usage of brackets to negate a set of boolean evaluations
an equivalent to what i am trying is below
if [ ! [ [$INPUT=="Morning"] or [$INPUT=="Evening"] || [$INPUT=="Night"] ] ]
then
echo"valid time of day"
else
echo "invalid input"
exit
fi
the bracket structue as mentioned doesnt work .. i am using ksh. Please help.
Thanks a dozen. hoping for a quick reply
.
I would like to know about the usage of brackets to negate a set of boolean evaluations
an equivalent to what i am trying is below
if [ ! [ [$INPUT=="Morning"] or [$INPUT=="Evening"] || [$INPUT=="Night"] ] ]
then
echo"valid time of day"
else
echo "invalid input"
exit
fi
the bracket structue as mentioned doesnt work .. i am using ksh. Please help.
Thanks a dozen. hoping for a quick reply
.|
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