how to give current date in file name?

simurg11 · #1 (**permalink**) 05-10-2005

I want to rename a file by giving the actual date as a file name.
Is there a command for this?
For example file is this: a.txt
I want to copy it with a command like this: a20050510.txt

vino · #2 (**permalink**) 05-10-2005

If you have an existing file a. then you can rename it as follows.

mv a.txt a$(date +%F).txt

This would give you
a2005-05-10.txt

If you are particularly looking for a20050510.txt, then it would be longer. Say

a$(date +%Y)$(date +%m)$(date +%d).txt

I think there should be an easier way for the format you requested. Someone might come up with that.

Vino

vino · #3 (**permalink**) 05-10-2005

Got a much better solution for your question

a$(date +%Y)$(date +%m)$(date +%d).txt

This is it.

mv a.txt a.`date '+%Y%m%d'`txt

In `date '+%Y%m%d'`,

` is the symbol which appears below ~.

Vino

simurg11 · #4 (**permalink**) 05-10-2005

Thank you very much Vino,
This helped a lot

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