result=$(ls /path/to/file/File.*)
#/path/to/file/File.1361234760790
currentIndexTime=${result##*.}
echo "$currentIndexTime"
#1361234760790
date -d@"$currentIndexTime"
#Tue 24 Oct 45105 10:53:10 PM GMT
result=$(ls /path/to/file/File.*)
#/path/to/file/File.1361234760790
currentIndexTime=${result##*.}
echo "$currentIndexTime"
#1361234760790
date -d@"$currentIndexTime"
#Tue 24 Oct 45105 10:53:10 PM GMT
$ date -d @1361234760.790 Mon Feb 18 17:46:00 MST 2013
