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Full Discussion: Bash diff date doesn't work
Top Forums UNIX for Beginners Questions & Answers Bash diff date doesn't work Post 303007420 by Arnaudh78 on Thursday 16th of November 2017 10:03:30 AM
Old 11-16-2017
Bash diff date doesn't work

Hi everyone,

I've an issue trying to soustracte two dates, e.g:

Code:
d1=$(date -d "Nov 18, 2017" +%s)
d2=$(date +%s) # Today we are 2017-11-16

echo "$(( (d1 - d2) / 86400 ))"

Output:
Code:
1

I don't understand why it doesn't work. for me, it should give "18 - 16 = 2".

Much appreciated to help me Smilie


I've solved my issue doing this:

Code:
d2=$(date -d "$(date +'%Y%m%d')" +%s)

But other proposition will be appreciated, if it exists..

Last edited by Arnaudh78; 11-16-2017 at 11:24 AM.. Reason: Solved issue
 

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