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Is there any way to show timestamp instead of date in "ls l"

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Old Unix and Linux 02-19-2006
umen umen is offline
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Is there any way to show timestamp instead of date in "ls l"

is there any way build in by unix native commands to show timestamp instead of date when I do "ls l" ?
if not is there any one liner script to do this?
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Old Unix and Linux 02-19-2006
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Do you want to show the time a file was modified instead of the date? Excerpt from the man page of ls
If the time of last modification is greater than six months ago, it is shown in the format `month date year' for the POSIX locale. When the LC_TIME locale category is not set to the POSIX locale, a different format of the time field may be used. Files modified within six months show `month date time'.
As for a simple one liner, I can give you a simple two liner:

#!/usr/bin/perl -w #-d
$mtime=(stat($ARGV[0]))[9]; @ltime=localtime $mtime; printf "%.4d-%.2d-%.2d-%.2d-%.2d\n",$ltime[5]+1900,$ltime[4]+1,$ltime[3],$ltime[2],$ltime[1];

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