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_DateDiff help

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hey guys im having some problems im trying to check to see if the date is less then 30 days old.

but this dont seem to work

If _DateDiff( 'D', $t,_NowCalc()) <30 Then

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#2 ·  Posted (edited)

What you have should work fine, assuming your date ($t) is in the correct format.

_NowCalcDate() would also likely be more appropriate than _NowCalc()

#include <Date.au3>

$t = "2010/08/11"
$diff = _DateDiff('D', $t, _NowCalcDate())
MsgBox(0,"", $diff)

If _DateDiff('D', $t, _NowCalcDate()) < 30 Then Beep(800,100)
Edited by Spiff59

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i tryed my code but its not working

$t = FileGetTime($m_dir & '\' & $event_value, 1)

If _DateDiff( 'D', $t,_NowCalc()) <30 Then

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#4 ·  Posted (edited)

i tryed my code but its not working

$t = FileGetTime($m_dir & '\' & $event_value, 1)

If _DateDiff( 'D', $t,_NowCalc()) <30 Then

Stick a "Msgbox(0,"",$t)" in there. What does it display?

I'm guessing it's not a valid date in the format of YYYY/MM/DD.

Edit: I might suggest dropping the "1" parameter from the FileGetTime() call and then add the following line:

$t = $t[0] & "\" & $t[1] & "\" & $t[2]

Test what comes out of that with a temporary Msgbox() statement.

Edited by Spiff59

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i just found that in the help file then and i got it to work.

thanks for the help man.

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FileGetTime returns a string in the format of YYYYMMDDHHMMSS, whereas _DateDiff is looking for a string in the format of "YYYY/MM/DD[ HH:MM:SS]" for the start and end dates, as you can see, they are not in the same format, so it will never work using those two functions together as is. You will need to reformat your FileGetTime returned result to match the format that _DateDiff requires. You could use a StringMid on $t and split them into the yyyy mm dd hh mm ss components, and then concantenate a string with those values $String = $YYYY & "/" & $mm & "/" & $dd ...


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