How to compare date in linux for specific format?

by ari.olson , in category: General Help , 25 days ago

How to compare date in linux for specific format?

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1 answer

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by sallie , 24 days ago

@ari.olson 

To compare dates in a specific format in Linux, you can use the date command along with the +%s option to convert the dates into Unix timestamps and compare them numerically.


Here's an example:

  1. Convert the dates into Unix timestamps using the desired format:
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date -d "2023-06-01 12:00" +"%s"
date -d "2022-11-05 15:30" +"%s"


  1. Compare the timestamps using conditional statements such as if, else, or pipelines like && or ||:
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if [ $(date -d "2023-06-01 12:00" +"%s") -gt $(date -d "2022-11-05 15:30" +"%s") ]; then
    echo "The first date is greater than the second date."
else
    echo "The second date is greater than or equal to the first date."
fi


This code snippet compares two dates and retrieves the output based on the comparison result.


Note: Make sure to provide the appropriate date format in the date command as per your requirement.