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bashshellunixunix-timestamp

timestamp variable in unix

I am getting below data in in bash script variable exp_dt:

exho $exp_dt
Jun  5 08:25:42 2023 GMT

need help to convert it into format like "05-Jun-2023" and days remaining from current date i.e. 64 days.

expected output

echo $new_var
05-Jun-2023|64 days
Solution

  • try this:

    # your date
exp_dt="Jun  5 08:25:42 2023 GMT"

# actual day of year
b=$(date "+%-j")

# day of year of your date
c=$(date -d "$exp_dt" "+%-j")

# diffence of days
new_var=$((c-b))

# your solution
echo $(date -d "$exp_dt" "+%d-%m-%Y") "| $new_var days"