Bash Script to convert date format

Question

I'm looking to replace the exiting date format (CCYY-MM-DD) with MM-DD-CCYY date format in a large file using shell script. Before changing the date format, it should look like:

2014-01-31|2014-01-31|

And after change the date format should it look like:

01-31-2014|01-31-2014|

anubhava · Accepted Answer · 2014-02-24 18:40:45Z

5

Using sed you can do it:

sed -i.bak -r 's/([0-9]{4})-([0-9]{2})-([0-9]{2})/\2-\3-\1/g' file

answered Feb 24, 2014 at 18:40

anubhava

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