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Date and time difference

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# 1  
Old 10-20-2010
Date and time difference
Hi,

Below is the backup file name (includes date & time) :
Code:
exp_trx_tables_18_Oct_2010_10_59_00.dmp

Extracted date and time from the file name as below using the below "awk"command:
Code:
date 18-Oct-2010 and time 10:59:00

echo "$fname" | awk -F"_" '{printf "Records will be restored as on date " $4"-"$5"-"$6 " and time " $7":"$8":" substr($9,1,(length($9)-4))}'

and the system date retrieved by the script is "Wed Oct 20 16:10:49 IST 2010"

How to find out the difference between the date_time included in the file name and system date.

How it can be done ?

With Regards

Moderator's Comments:
Mod Comment You already got 2 warnings to use code tags and I bet you got PMs with explanations how to use them.
# 2  
Old 10-20-2010
There are a lot of similar threads out there - have a search, or look at the FAQ article:

https://www.unix.com/answers-frequent...rithmetic.html

you should find what you're after in there.
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