Ostensibly, all you'd need is:

perl -F, -nle"$_ = localtime( $_ ) for @F[0,1]; print join ',', @F" < 
+infile > outfile

[download]

See perlrun for the command line switches and localtime() for the function that does the work.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

RIP Neil Armstrong
network sites:

In reply to Re: Epoch time conversion in CSV by BrowserUk
in thread Epoch time conversion in CSV by theneil

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