Timestamp in the filename

Reddy482 · #1 (**permalink**) 1 Week Ago

Hi
i want to replace the previous time stamp with the current timsatp at the start of the file like

20090710_113354_FT0710a.txt this one to 20091111__113354_FT0710a.txt

thanks in advance

Franklin52 · #2 (**permalink**) 1 Week Ago

What have you tried?

Scrutinizer · #3 (**permalink**) 1 Week Ago

Try this:

Code:

$> fn=20090710_113354_FT0710a.txt
$> echo "$(date +%Y%m%d)_${fn#*_}"
20091111_113354_FT0710a.txt

learnbash · #4 (**permalink**) 1 Week Ago

Quote:

Originally Posted by Reddy482

Hi
i want to replace the previous time stamp with the current timsatp at the start of the file like

20090710_113354_FT0710a.txt this one to 20091111__113354_FT0710a.txt

thanks in advance

Greetings,

You need to use touch command with -t switch.

-t STAMP
use [[CC]YY]MMDDhhmm[.ss] instead of current time

if you want to update with current time then -> touch filename.

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