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help for a script to increment time in hh:mm:ss format

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# 1  
Old 07-22-2010
help for a script to increment time in hh:mm:ss format
hi all,

I need help for incrementing time in hh:mm:ss format like for example :
when i have a values like 02:07:16 I want to increment this value with 5 secs till it reaches a condition.
Can someone help me with this.
Thanks in advance.
# 2  
Old 07-22-2010
Code:
..........................
.............................
mydate=`date +%k:%M:%S`
mysecond=`echo ${mydate##*:} + 5|bc`
myhour_minute=`echo ${mydate%*:*}`
if [[ `date +%k:%M:%S` ==  "02:07:16" ]] ; then 
    date +%T -s "${myhour_minute}:$mysecond" 
fi
..........................
.............................

# 3  
Old 07-22-2010
Why do not you use "sleep" function.
Code:
 
 
dt=date '+%H:%M:%S'
 
while [ $dt = {your condition} ]
do
    sleep 5
    dt=date '+%H:%M:%S'
done

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