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Date comparison in AIX 5

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by stevelil

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what is the best way to perform comparison on dates for comparison in AIX 5.
e.g.
typeset -i lastrundate=050131
adding 7 to this would be 050138 (need it to be 050207 or this will compute to less than 050201)

[[ (${lastrundate} + 7) -ge ${currentdate} ]]

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by gary_w

lastrundate is really an integer, not a date. You need to do date math (which will allow for leap years, wrapping around months, etc.

Check this link out for a korn shell version:
http://www.samag.com/documents/s=8284/sam0307b/0307b.htm

There is a typo in the get_greg_from_JD function. there is an errant 'm' which it seems can be deleted from this line:
J=$((80*L/2447)m)

There are some perl scripts out there too if you do a little searching.

Gary

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