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Shell script with date parameter

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# 1  
Old 12-09-2008
Shell script with date parameter
Hi All

I have a shell script which calls all the Teradata Utiltyes . There is a sudden change in the requirment .

What i'm asked to do is

pass on the DATE to the shell script which should take the date automatically and run the utilityes.

i.e. the date should not be passed on manulay.The date should be taken automatically.

Please suggest me something on this.

Thanks,
Vinay
# 2  
Old 12-09-2008
whats the date format that your script takes??
can you post the script??
# 3  
Old 12-09-2008
date parameter format
The date parameter is something like this

'20050101',20080101.
Irrespective of the date is correct or not we take the date with an intreval of 3 years.But that is the date format like

"yyyymmdd".
Please suggest me something

thanks,
Vinay
# 4  
Old 12-09-2008
Is this what you are looking for?

Code:
#  date '+%Y%m%d'
20081209
#  date --date='-3 years' '+%Y%m%d'
20051209
#  date --date='3 years' '+%Y%m%d'
20111209

# 5  
Old 12-09-2008
Date automatically
But will the shell script take the DATE automatically , If this condition is passed. I mean to ask is i dont want give the date maually.

When i run the script,it should take the date automatically.
# 6  
Old 12-09-2008
Code:
TODAY=`date '+%Y%m%d'`
YEARSAGO=`date --date='-3 years' '+%Y%m%d'`
echo "Today: $TODAY  3 Years Ago: $YEARSAGO"

Code:
# sh test.sh
Today: 20081209  3 Years Ago: 20051209

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