I have a file with the format
47 2013-05-01 1367406011 2 30 15
47 2013-05-01 1367406388 1 29 14
43 2013-05-01 1367407469 1 26 12
42 2013-05-01 1367407489 1 25 11
42 2013-05-01 1367407810 1 24 11
39 2013-05-01 1367409056 1 22 9
41 2013-05-01 1367409610 1 22 9
36 2013-05-01 1367411409 1 22 9
34 2013-05-01 1367412388 1 20 9
32 2013-05-01 1367413208 1 19 9
Where the third column is the time the measurement was taken in seconds since epoch. I'd like to be able to see the time as more every day clock time, and I'm looking for the simplest way to have every column in the file converted.
What's the most effective way of performing the conversion? (I'm on OSX)