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compare dates using shell sript

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# 1  
Old 05-13-2011
compare dates using shell sript
I have 2 date feilds
Code:
2011-05-13:18:45
2011-05-13:18:30

I need to compare them and say its OK/NOK

I tried this but dint work.
Code:
systime=2011-05-13:18:45
shubtime=2011-05-13:18:30
if [ "$systime" -eq "$shubtime" ]
then
         echo" OK"
else
         echo "NOK"
fi

In this its not same so the o/p should be NOK
Last edited by Scott; 05-13-2011 at 08:35 PM.. Reason: Added code tags
# 2  
Old 05-13-2011
Code:
ksh
systime=2011-05-13:18:45
shubtime=2011-05-13:18:45
echo $systime $shubtime | tr -d ':-' | read a b
[[ $a -eq $b ]] && echo OK || echo KO

This User Gave Thanks to ctsgnb For This Post:
LavanyaP
# 3  
Old 05-13-2011
If they must be exactly the same
Code:
systime=2011-05-13:18:45
shubtime=2011-05-13:18:30
if [ "$systime" = "$shubtime" ]
then
    echo" OK"
else
    echo "NOK"
fi

Or shorter:
Code:
[ "$systime" = "$shubtime" ] && echo" OK" || echo "NOK"

PS: please use code tags and indent your code
This User Gave Thanks to frans For This Post:
LavanyaP
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