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Comparing dates

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# 1  
Old 07-29-2011
Comparing dates
Hi,

I want to compare today's date(DDMMYYYY) with yesterday(DDMMYYYY) from system date,if (today month = yesterday month) then execute alter query else do nothing.One more condition is change of year also i.e today is Jan1 2012 and yesterday is Dec 31 2011.

The above rek i want in Shell script(KSH)...
Can any one please help me?
Last edited by radoulov; 07-29-2011 at 05:42 PM.. Reason: Title fixed.
# 2  
Old 07-29-2011
Yes, convert to Unix time and compare dates and time with difference in Unix time.
# 3  
Old 07-29-2011
Quote:
Originally Posted by Neo
Yes, convert to Unix time and compare dates and time with difference in Unix time.
Hi, i am new to Shell script..Can you please post the script
# 4  
Old 08-01-2011
kumarnmsk1331
would have been better if you give example ?
will try to help if data are given with required output .
# 5  
Old 08-01-2011
Quote:
Originally Posted by kumarmsk1331
Hi,

I want to compare today's date(DDMMYYYY) with yesterday(DDMMYYYY) from system date,if (today month = yesterday month) then execute alter query else do nothing.
What are you trying to do is not clear from your post...so provide an example or give some more information.
Quote:
Originally Posted by kumarmsk1331
One more condition is change of year also i.e today is Jan1 2012 and yesterday is Dec 31 2011.
So again what is this supposed to mean...provide examples as it is very confusing.
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