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I want to make ls display time in ISO format (military format). How can I change this behavior?

On Linux I knew that I could force ls to display time in long format by usin --full-time but this doesn't work on OS X.

Update: I know that the format used by the command is based on the locale settings. The problem is that on OS X I was not able to use the trick of setting LC_TIME=en_DK.

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A non-answer, but still possibly useful: The stat(1) command is quite flexible and can be made to display time stamps in any desired format. – Harald Hanche-Olsen Jun 2 '11 at 14:45
gls (gnu ls) I mentioned in my answer can take a --style= flag where you can specify a +FORMAT string, so you can make the date appear whatever way you wish. – barryj Jun 3 '11 at 8:24

2 Answers

up vote 4 down vote

You can display time in the long format by using:

ls -lT

EDIT:

The above isn't quite what was wanted, but if you install gnu coreutils then gnu ls is available, which will do as required. If you use brew as a package manager, it's as simple as:

brew install coreutils
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Thanks, this is useful but does not solve the problem. The full format used is still not ISO-8601. – Sorin Sbarnea Jun 2 '11 at 14:00
OK - you can install gnu coreutils which includes gnu ls, which will do what you want. Easiest way is one of brew, MacPorts or Fink. I use brew - so just running 'brew install coreutils' works. You'll then have gls available. – barryj Jun 2 '11 at 14:17
up vote 1 down vote

ls -l --time-style=iso works fine for me.

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