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asserchiu/gist:8121275

Last active January 1, 2016 08:49
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UNIX date time format conversion using `sed`.
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gistfile1.sh-session
$ cat dm.test
25/12/2013,20:00:00,asdf,qwer,zxcv
$ sed -n -e "s_\(..\)/\(..\)/\(....\),_\3-\2-\1T_p" dm.test
2013-12-25T20:00:00,asdf,qwer,zxcv
$ date --universal --rfc-3339 ns|sed -ne "s_^\(....-..-..\)\ \(..:..:..\....\).*_\1T\2Z_p"
2013-11-15T19:39:42.146Z
$ alias date.toISOString='date --universal --rfc-3339 ns|sed -ne "s_^\(....-..-..\)\ \(..:..:..\....\).*_\1T\2Z_p"'
$ date.toISOString
2013-12-03T11:07:09.591Z
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