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Bash - compare 2 dates

Posted on 2007-04-04
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Last Modified: 2013-12-26
Hello,
How can i compare 2 dates?

└─(~)-> date
Thu Apr  5 06:13:35 UTC 2007

This one, with a pre-given one (pregivendate="5 May 2007")
(i just want to compare the day, month and year)
Something like ...
if date is greater than the pregivendate; then stop else do something

Thanx
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Comment
Question by:rares_dumitrescu
  • 3
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6 Comments
 
LVL 84

Expert Comment

by:ozo
ID: 18856068
test `date +%Y%m%d` -gt 20070505 && do something
0
 

Author Comment

by:rares_dumitrescu
ID: 18856100
and .. at the end .. how can i split 20070505 into 2007 / 05 / 05 ?
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LVL 84

Expert Comment

by:ozo
ID: 18856131
date +'%Y / %m / %d'
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Author Comment

by:rares_dumitrescu
ID: 18856145
ah .. not the date .. the other one
here is the script

date=`date +%m%d%Y`
expd="02052007"

if [ "$date" -gt "$expd" ]; then
echo "Your script has expired in: !here i want the 02052007 splitted into 02 / 05 / 2006! (Month /  Day / Year)"
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LVL 84

Accepted Solution

by:
ozo earned 500 total points
ID: 18856189
expy=2007
expm=02
expd=05
date=`date +%Y%m%d`
if [ "$date" -gt "$expy$expm$expd" ]; then
echo "Your script has expired in: $expm / $expd / $expy! (Month /  Day / Year)"
fi
0
 

Author Comment

by:rares_dumitrescu
ID: 18856252
thanx ozo, you've been great, like always :)
0

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