Modify date in file with Bash Script

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  • chrisale
    New Member
    • Nov 2007
    • 1

    Modify date in file with Bash Script

    Hi All... I have what I thought would be a simple problem but I can't seem to find an example or pointer anywhere to solve it.

    I have a simple CSV file with weather data in it.

    It includes a timestamp for the data that is in UTC.

    I need to convert that timestamp into local time.

    Now I should be able to use sed to grab the correct data out of the file, but how can I do the math to change the date?

    Thank you ever so much. Here's the file:

    Timestamp,Temp, Chill,HIndex,Hu mid,Dewpt,Wind, HiWind,WindDir, Rain,Barom,Sola r,ET,UV
    20071128 06:58:10,0.3,0. 3,0.3,96,-0.2,0,3,19,0.5, 1030.2 +
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